Geoff Currie
Geoff Currie
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Muggles Guide to Deep Learning Wizardry
This is a very basic introduction to the world of artificial intelligence in the theme of the Harry Potter book series. It is for the AI novice.
มุมมอง: 105

วีดีโอ

PET/CT, theranostics and artificial intelligence - Geoff Currie
มุมมอง 5013 ปีที่แล้ว
This is the art based analogy of Prof David Townsend, inventor of PET/CT to explain the role and impact of hybridised PET/CT. It is a fantastic analogy but recently I wondered whether it could be expanded in some way to consider the role of artificial intelligence. So this starts with PET/CT, adds theranostics, and then finishes with AI. Hopefully I respected the original by Prof Townsend while...
Thinking about a career in Nuclear Medicine and Molecular Imaging
มุมมอง 7353 ปีที่แล้ว
A brief explainer for those thinking about a career that uses state of the art technology but also helps people. While most students know what happens in xray, most do not know what nuclear medicine and molecular imaging is all about.
Artificial Intelligence short
มุมมอง 9283 ปีที่แล้ว
A very basic and brief introduction for the general community about the application of artificial intelligence in radiology and nuclear medicine.
Prof Ken Hermann presentation on PET/MRI - RAINS / Siemens Seminar Series
มุมมอง 6963 ปีที่แล้ว
This is the second half of part 2 of the 6 part Siemens Seminar Series brought to you by RAINS.
Artificial intelligence and machine learning beginners primer for nuclear medicine - Geoff Currie
มุมมอง 5813 ปีที่แล้ว
First half of the 3rd webinar in the 6 part Siemens Seminar Series produced by RAINS. Very basic overview of the principles of AI in nuc med to arm professionals with the language and basic insights to be able to engage in discussions in this space.
Indigenous cultural competence presentation
มุมมอง 8063 ปีที่แล้ว
Indigenous cultural competence presentation
Prof Andrei Iagaru presents PET/MRI in oncology - RAINS/Siemens seminar series
มุมมอง 5343 ปีที่แล้ว
This is the first half of part 2 of the 6 part Siemens Seminar Series organised by RAINS. Here we get insights into PET/MRI from Professor of Radiology at Stanford University. Must thank Andrei fro his generosity and Siemens for making the webinar available.
Total body PET presentation by prof Simon Cherry for RAINS - sponsored by United Imaging July 2020
มุมมอง 1.9K3 ปีที่แล้ว
This presentation aims to provide an insight into the role and applications of total body PET. Amazing insights are provided by the system developer, Prof Simon Cherry from UC Davis. RAINS thanks both Simon and United Imaging for their generosity of time and resources to deliver this resource.
Fly In Fly Out (FIFO) nuclear medicine services in remote Western Australia - Pete Tually
มุมมอง 2683 ปีที่แล้ว
This is the second presentation in the 3rd (of 6) Siemens Seminar Series in 2020 produced by RAINS. 5 August 2020. Free CPD thanks to our generous sponsors Siemens Healthineers. The live session was well atteneded but the recording is available for those unable to attend.
Women in STEM, gender equity, Nuclear Medicine and Charles Sturt University. Stephanie's insights!
มุมมอง 1173 ปีที่แล้ว
Stephanie in 2020 is undertaking her residency in Nuclear Medicine Science. Not just a career in STEM but according to Stephanie, a career that is STEM. She reflects on diversity and gender equity, particularly in leadership roles. Stephanie offers insights into the role she plays and students play in changing the culture and closing the diversity gaps in the future.
The craft of medical radiation science: balancing art and science
มุมมอง 1484 ปีที่แล้ว
A brief look at the balance of intuition and logic in developing professionalism or the craft of medical radiation science.
Interview with ABC Canberra about ANSTO Fault - 14/9/19
มุมมอง 2274 ปีที่แล้ว
Interview discussing the impact and implications of the ANSTO ANM vale fault on the nuclear medicine community and patients. Discussion of managing the shortage of 99mTc.
Beginners guide to artificial intelligence in medical imaging
มุมมอง 2.3K4 ปีที่แล้ว
If you have expertise in AI, this is not the presentation for you. This presentation is designed for your colleagues who are bamboozled by the language you use, the detail you gloss over and the amazing outcomes you get. This is a beginners insight into understanding what AI is in the context of medical imaging, some rudimentary understanding of how a neural network functions, how they might be...
ANZSNM 2020 Annual Scientific Meeting - 24-26 April 2020 in Sydney
มุมมอง 1915 ปีที่แล้ว
A quick insight into the program for the 50th annual scientific meeting of the ANZSNM. Local Innovation, Global Inspiration. Here we provide an overview of the manner in which the program has been re-engineered and re-invigorated to provide an amazing 1, 2 or 3 day program for delegates and sponsors. This international conference should be in your diary now. Plan ahead and enjoy a bit of autumn...
Pioneer lecture ANZSNM ASM 2019 (short version) - Dr Geoff Currie
มุมมอง 1085 ปีที่แล้ว
Pioneer lecture ANZSNM ASM 2019 (short version) - Dr Geoff Currie
Pioneer lecture ANZSNM ASM 2019 (long version) - Dr Geoff Currie
มุมมอง 1275 ปีที่แล้ว
Pioneer lecture ANZSNM ASM 2019 (long version) - Dr Geoff Currie
Pioneer lecture ANZSNM ASM 2019 - Dr Geoff Currie
มุมมอง 2165 ปีที่แล้ว
Pioneer lecture ANZSNM ASM 2019 - Dr Geoff Currie
11 Common Nuclear Medicine Procedures
มุมมอง 10K5 ปีที่แล้ว
11 Common Nuclear Medicine Procedures
11 Reasons to study nuclear medicine at CSU
มุมมอง 3235 ปีที่แล้ว
11 Reasons to study nuclear medicine at CSU
11 Characteristics of Nuclear Medicine
มุมมอง 2565 ปีที่แล้ว
11 Characteristics of Nuclear Medicine
11 Reasons to Choose a Career in Nuclear Medicine
มุมมอง 18K5 ปีที่แล้ว
11 Reasons to Choose a Career in Nuclear Medicine
11 Facts About Nuclear Medicine
มุมมอง 6785 ปีที่แล้ว
11 Facts About Nuclear Medicine
The Truth About Nuclear Medicine, Production and Waste
มุมมอง 7545 ปีที่แล้ว
The Truth About Nuclear Medicine, Production and Waste
Nuclear Medicine Explainer
มุมมอง 3K6 ปีที่แล้ว
Nuclear Medicine Explainer
how the gamma camera works
มุมมอง 30K7 ปีที่แล้ว
how the gamma camera works
types of gamma cameras
มุมมอง 7K7 ปีที่แล้ว
types of gamma cameras
experiment 1 - nuc med prac
มุมมอง 2.3K7 ปีที่แล้ว
experiment 1 - nuc med prac
experiment 4 - nuc med prac
มุมมอง 8227 ปีที่แล้ว
experiment 4 - nuc med prac
experiment 3 - nuc med prac
มุมมอง 2.1K7 ปีที่แล้ว
experiment 3 - nuc med prac

ความคิดเห็น

  • @fenrirAWOL
    @fenrirAWOL ปีที่แล้ว

    thank you, thank you. Wildlife carer here. this helps alot

  • @sameworld1973
    @sameworld1973 ปีที่แล้ว

    👌🏾

  • @chikezieonyema7186
    @chikezieonyema7186 ปีที่แล้ว

    One of the best explanations on how a gamma camera works

  • @wafulapatrickbob801
    @wafulapatrickbob801 ปีที่แล้ว

    Wanna ask. Is it Currie as in related to madam Currie

  • @sugarraymk
    @sugarraymk 2 ปีที่แล้ว

    Waaaaa prism 1000s type!!!!

  • @RinZenz
    @RinZenz 2 ปีที่แล้ว

    S H I T Doesn't explain how to connect A N Y T H I N G

  • @Vade_mecum_
    @Vade_mecum_ 2 ปีที่แล้ว

    Great video for better imagination of procedures done in Nuclear Medicine. Thank you!

  • @elviselias2832
    @elviselias2832 2 ปีที่แล้ว

    Professor Mafia 🤩

  • @benjimenez1197
    @benjimenez1197 2 ปีที่แล้ว

    I went for my Gamma camera tests.Good

  • @santaibarra4149
    @santaibarra4149 2 ปีที่แล้ว

    Cool

  • @MrStevieJStewart
    @MrStevieJStewart 2 ปีที่แล้ว

    Thank you so much for this video! This really helped me out!

  • @nishapriya6938
    @nishapriya6938 2 ปีที่แล้ว

    Actually I m doing BSC MLT can i do M.Sc in Nuclear Medicine?

  • @chethiyaprabashana9176
    @chethiyaprabashana9176 2 ปีที่แล้ว

    Thank you so much this was very useful.

  • @nobob1op596
    @nobob1op596 2 ปีที่แล้ว

    Can a chemical engineer do it as a master degree?

    • @QuellArion
      @QuellArion ปีที่แล้ว

      How does the two tie together ? That’s interesting

  • @davidk7544
    @davidk7544 2 ปีที่แล้ว

    You COULD offer this webinar FREE, you just choose to make money from it. $ > knowledge? Depends on our values.

  • @fcrick6967
    @fcrick6967 2 ปีที่แล้ว

    Geoff, you're a legend! Thank you!

  • @fcrick6967
    @fcrick6967 2 ปีที่แล้ว

    Thank you so much! Your videos are awesome!

  • @rodneydaub3812
    @rodneydaub3812 2 ปีที่แล้ว

    I worked for a Radio-pharmacist in the late 90's . I just delivered it, but was wondering how it all worked. So I found this vidja

  • @joeb3300
    @joeb3300 2 ปีที่แล้ว

    I understand more that I even have about gamma cameras, thank you! Two questions occur to me: (1) When the gamma "ray" enters the crystal, how many UV photons are produced? It would seem to me that the location logic would only work is a statistically significant number of photos resulted, illuminating multiple each photomultiplier tube with a quantity of light (i.e., number of photons) inversely correlated with the distance from the collimator channel to the tube. (2) Another potential problem is the occurrence of multiple events in close time proximity. Doesn't the photomultiplier tube have a recovery time between detections? If two gamma events occur at roughly the same time, the array of PM tubes would see light from both events. Does the location logic have the ability to determine that "this pattern of PM amplitudes could only occur if two events, at location x1,y1 and x2,y2, were simultaneous? Thanks again for the video! (I just had a close encounter with a gamma camera, as a patient, as was curious as to how they worked.)

  • @mr.fredricklawngtawnghedav5094
    @mr.fredricklawngtawnghedav5094 3 ปีที่แล้ว

    My God man ! You talk like (radio pharmaceuticals) are as safe as a little hamster. Mr. You sir have an evil agenda to paint radioactive elements and their wastes as safe while you yourself stated that there was nowhere in australia to store the tons and tons of dangerous wastes. Let me teach you something ( THERE IS NO SAFE LEVEL OF EXPOSURE TO ION EMITTING RADIATIONS PERIOD IN FACT THIS IS INVASIVE. THE LOW LEVEL YOU ASS HOLES ARE FOND OF STATING IS MISLEADING AS THE EFFECTS ARE ACCULMITATIVE. SO STOP YOUR LIES!!!!

    • @geoffcurrie968
      @geoffcurrie968 3 ปีที่แล้ว

      You are poorly informed. Are you aware of the radiation (ionising) you are exposed to every day of your life, in the food you eat, in the things you use. Are you aware how many lives radiopharmaceuticals save every year? What about CT and xray, is that OK?

    • @mr.fredricklawngtawnghedav5094
      @mr.fredricklawngtawnghedav5094 3 ปีที่แล้ว

      @@geoffcurrie968 yeah Im aware that people like have been polluting theh environment while at the same time not using their profits to leave a mess for evetyone else to wallow in.

    • @mr.fredricklawngtawnghedav5094
      @mr.fredricklawngtawnghedav5094 3 ปีที่แล้ว

      @@geoffcurrie968 Your poorly informed if you think all you mad scientists are gonna get away with poisoning yhe planet. And thanks for responding.

    • @mr.fredricklawngtawnghedav5094
      @mr.fredricklawngtawnghedav5094 3 ปีที่แล้ว

      @@geoffcurrie968 Stop, Radioactivity, It's in the air for you and me. Contaminated Population. Discovered by Madame Currie. Chain Reaction and Mutation. Chernobyl Harrisburg Sellafield HiroshimaStop, Radioactivity, It's in the air for you and me. Contaminated Population. Discovered by Madame Currie. Chain Reaction and Mutation. Chernobyl HarrisburgStop, Radioactivity, It's in the air for you and me. Contaminated Population. Discovered by Madame Currie. Chain Reaction and Mutation Chernobyl Harrisburg Sellafield Hiroshima Sellafield Hiroshima. Kraftwerk

    • @mr.fredricklawngtawnghedav5094
      @mr.fredricklawngtawnghedav5094 3 ปีที่แล้ว

      @@geoffcurrie968 Stop, Radioactivity, It's in the air for you and me. Contaminated Population. Discovered by Madame Currie. Chain Reaction and Mutation. Chernobyl Harrisburg Sellafield HiroshimaStop, Radioactivity, It's in the air for you and me. Contaminated Population. Discovered by Madame Currie. Chain Reaction and Mutation. Chernobyl HarrisburgStop, Radioactivity, It's in the air for you and me. Contaminated Population. Discovered by Madame Currie. Chain Reaction and Mutation Chernobyl Harrisburg Sellafield Hiroshima Sellafield Hiroshima. Kraftwerk

  • @088008890
    @088008890 3 ปีที่แล้ว

    Hi, this is great presentation and the program you use is fascinating. I do have to present something for my MSc in NM study and I would like to use the program you used. Could you please give me some information about it please?

    • @geoffcurrie968
      @geoffcurrie968 3 ปีที่แล้ว

      thanks, the program is called doodly and pretty easy to use :)

  • @dilhaninawarathne6600
    @dilhaninawarathne6600 3 ปีที่แล้ว

    Thankyou so much sir

  • @christineherbert4937
    @christineherbert4937 3 ปีที่แล้ว

    Excellent!!!

  • @aaronduffy2901
    @aaronduffy2901 3 ปีที่แล้ว

    What would the daily hours be? Are you on call or is there a schedule

    • @antwoinewilliams2545
      @antwoinewilliams2545 2 ปีที่แล้ว

      Depends on where you work. Working in a hospital requires you to be on call, also may work evenings, weekends and holidays. But, working in a clinic you dont work in the night at all and you're not on call. Only work in the day in the clinic, you are more flexible in a clinic

  • @randyhavener1851
    @randyhavener1851 3 ปีที่แล้ว

    Thanks! I just had a scan done last week. I knew the detection was done with scintillators, but couldn't figure out how the photons were "focused" before the scintillators. The collaminator was the piece I was missing!

  • @Mark_Ocain
    @Mark_Ocain 3 ปีที่แล้ว

    Australia needs more than one research scale reactor site... The greenies mean well but they don't understand the utility of a reactor and all it's associated products.

  • @hanifbangash
    @hanifbangash 3 ปีที่แล้ว

    your e.mail ID please

  • @stonehead2038
    @stonehead2038 3 ปีที่แล้ว

    You don't need to finish med school to work in nuclear medicine?

    • @jayg.4816
      @jayg.4816 3 ปีที่แล้ว

      U only need a associates degree and get certified

    • @stonehead2038
      @stonehead2038 3 ปีที่แล้ว

      @@jayg.4816 Oh damn, in my country you gotta finish med school and then choose nuclear medicine as a speciality after taking the residency exam

    • @jayg.4816
      @jayg.4816 3 ปีที่แล้ว

      @@stonehead2038 where are u from? im from the states as yall like to say.

    • @stonehead2038
      @stonehead2038 3 ปีที่แล้ว

      @@jayg.4816 From Romania,here med school is a bit longer, it's 6 years, also surgical residency another 6 years it s a bit weird xD

    • @stonehead2038
      @stonehead2038 3 ปีที่แล้ว

      @@jayg.4816 and yea, here you gotta finish medical school and finish the residency on nuclear medicine

  • @abiramia4328
    @abiramia4328 3 ปีที่แล้ว

    I heard that..If radiation emits it will harm us...is that true??

  • @thestudymuse_myrsini
    @thestudymuse_myrsini 3 ปีที่แล้ว

    Great and helpful video! Thank you so much for explaining each part thoroughly!

  • @uzi4483
    @uzi4483 4 ปีที่แล้ว

    Sir can u plzzz tell me .....what if we hold the needle directly ...will it break?????or not ???

  • @tovarjessica01
    @tovarjessica01 4 ปีที่แล้ว

    Thank you so much for making this video! This has helped me to understand this A LOT better! Now when I look at the pictures the book give me, I will be able to understand it so thank you.

  • @25301832
    @25301832 4 ปีที่แล้ว

    Thanks for your video.. your email plz..

  • @vinaybhaskarchandratre7762
    @vinaybhaskarchandratre7762 4 ปีที่แล้ว

    15:40 listen charge level as potential level. The next dynode higher potential. Perfect. Good one prof.

  • @Batya-Grace
    @Batya-Grace 4 ปีที่แล้ว

    Thanks a lot! I purchased a butterfly needle to drain my cat's hematoma in order to save veterinary charges but, I thought it came with a syringe and it didn't. Now, I need to purchase a separate syringe and needed to learn how to connect it since I'm not in the medical field lol.

  • @jiratrello
    @jiratrello 4 ปีที่แล้ว

    thank you!

  • @kb2007xox
    @kb2007xox 4 ปีที่แล้ว

    It is weird to see your hands and no bottle of Cocoa Cola in one of them

  • @RosaPetit
    @RosaPetit 4 ปีที่แล้ว

    Thank so much

  • @Bizzon666
    @Bizzon666 4 ปีที่แล้ว

    Excellent lecture! The part about the detector itself after 10:40 is perfect description. I would never be able to describe this thing without at least some physics and math.

  • @noodletropic
    @noodletropic 5 ปีที่แล้ว

    on min 6.25 you claim that dose are not just less but much less. what are the doses for typical procedures?

    • @geoffcurrie968
      @geoffcurrie968 5 ปีที่แล้ว

      It depends on the procedure being performed. for something like a myocardial perfusion scan, the dose tends to be higher than a thyroid scan. and it depends on what type of dose you are talking about and to what tissue. But diagnostic CT is typically high dose (but safe) and nuclear medicine much lower for the same organ imaging.

  • @taimaishu9589
    @taimaishu9589 5 ปีที่แล้ว

    I start my first semester in fall. I'm excited!!!

  • @caissa6187
    @caissa6187 5 ปีที่แล้ว

    it's been a couple years. did you graduate?

  • @anushak5150
    @anushak5150 5 ปีที่แล้ว

    Global Nuclear medicine market size is projected to reach approximately $XX billion by the end of 2024 with a CAGR of close to XX% from $XX billion in 2017 during the forecast timeline 2018-2024. Request a sample report @ www.envisioninteligence.com/industry-report/global-nuclear-medicine-market/?

  • @clarissa7400
    @clarissa7400 5 ปีที่แล้ว

    These visuals are great! Thank you for spending the time to take the machine apart and explaining everything! This is wonderful! much love !

    • @geoffcurrie968
      @geoffcurrie968 5 ปีที่แล้ว

      pulling it apart is fun. putting things back together not so much :)

  • @cardcard8882
    @cardcard8882 5 ปีที่แล้ว

    Beautiful mind, you nailed it sir. Thank you

  • @BrettBurnardStokes
    @BrettBurnardStokes 6 ปีที่แล้ว

    QUOTE - Tc-99m may soon stop being so widely needed as other technologies evolve. “When the technetium market dies, technology that is specific for technetium production dies because it can’t be used for anything else, whereas a cyclotron can produce a variety of different isotopes for diagnostic imaging that are used in medicine,” McEwan said. from www.radiologybusiness.com/topics/technology-management/researchers-canada-announce-tc-99m-breakthrough

    • @geoffcurrie968
      @geoffcurrie968 5 ปีที่แล้ว

      Complete nonsense. The reactor does more than produce radionuclides (silicon doping for wind turbines for example) and produces some very important other radionuclides for diagnosis and therapy (177Lu for cancer therapy and 131I are examples). But uninformed parties regularly (for 30 years) predict the end of 99mTc as other thing emerge. But if anyone has passed year 3 maths they will know that a decrease in % (so 99mTc has dropped from 90% of nuc med studies to 80-85% depending on country) does not mean a decrease in actual numbers. Indeed, 99mTc studies have increased annually in Australia (latest figures 2% growth) and the % decrease is associated with more rapid growth in PET and therapy applications. So 99mTc use is growing!!! And the IAEA report that is 10% annually globally. This represents slower growth in established economies but rapid growth in 99mTc use in developing economies. Bangladesh for example has 160 million people serviced by less nuc med depts. than Sydney. Over coming decades that will grow significantly more than we are growing. But 99mTc use is growing in actual numbers. Decreases in Canada is simply the lack of availability since the reactor closed and cyclotrons can't meet the demand. Its artificial. And why Canada has now announced it will go back to reactor production using the CANDU power reactor!

  • @BrettBurnardStokes
    @BrettBurnardStokes 6 ปีที่แล้ว

    Geoff Currie in this video does not seem to mention the actual problems with supply of nuclear medicines from the Lucas Heights reactor. There have already been major delivery performance problems, requiring imports for months at a time.. www.abc.net.au/news/2018-06-27/lucas-heights-nuclear-reactor-breakdown-medical-supply-shortage/9915242 www.abc.net.au/news/2007-09-03/lucas-heights-shutdown-costing-thousands/658688

    • @geoffcurrie968
      @geoffcurrie968 5 ปีที่แล้ว

      Actually there is a global shortage that has lasted some 15 years and Australia has been insulated from that even during scheduled maintenance. We have had a few brief periods (including at the moment) where an issue has resulted in importation. At the moment we are in an 8 week period where the reactor is still producing product but the processing facility has had a breakdown. So we are shipping Aussie activity overseas for handling and then returning it to Australia. I do mention this and in fact point out that our experience with the need for importing at times like this highlight the dire circumstances that leaves Australia in. While geographic isolation helps us at times, the short half life of imported products means that we face cost pressures, increased production, increased waste and unreliable transport. SO it reinforces the need for the ANSTO reactor.

  • @BrettBurnardStokes
    @BrettBurnardStokes 6 ปีที่แล้ว

    In Australia, in Queensland, we make nuclear medicine without making nasty waste. Nuclear advocates say this is impossible. Why do they say that? The ABC recently publicised the Queensland operation Please observe reality, please disregard the lies. www.abc.net.au/news/2018-07-03/nuclear-medicine-concrete-bunker-central-to-states-cancer-care/9920624

    • @geoffcurrie968
      @geoffcurrie968 5 ปีที่แล้ว

      The article refers to cyclotron production of PET based radionuclides not the 85% of nuclear medicine procedures done with 88mTc or other diagnostic and therapeutic nuclides produced in the reactor. Cyclotrons do have waste but they do not produce fission reactions but they are limited in capability. Indeed, many cyclotron products are imported because the small cyclotrons in Australia are not big enough to produce many useful radionuclides. So while the ANSTO reactor is in Sydney and that is where the waste is produced, QLD and every other state of Australia benefit from that waste production. So the QLD ABC article was NOT trying to say ANSTO or reactors are unnecessary but rather celebrate a new technology that accounts for about 10% of nuclear medicine procedures done in Australia.

  • @jarofranta153
    @jarofranta153 6 ปีที่แล้ว

    Excellent presentation. The points about the cyclotron option versus reactor option in Canada is spot on. As someone who retired from AECL seven years ago, and who sometimes worked on projects for the NRU reactor that produced Mo99 for medicine, I can certainly confirm everything you say about the situation in Canada. As you say, the Canadian government invested many millions of dollars into the cyclotron option. That was great for research, especially for the TRIUMF facility in British Columbia. Indeed, that new financing is what these researchers were after in the first place. But it did nothing to address the issue nationwide, following the shutdown of the old NRU reactor. That is why there are plans underway now to start Mo99 production in a CANDU reactor power plant (some of which have been used to produce Cobalt-60 for many years). Just for reference - useful for making comparisons with production rates - here is a nice table that lists Tc99m dosages for different diagnostic procedures, along with approximate radiation doses (note at bottom). facebook.com/493843777362196/photos/p.1807169376029623/1807169376029623/

    • @geoffcurrie968
      @geoffcurrie968 6 ปีที่แล้ว

      Thanks Jaro for the feedback. I do alot of work with our wonderful colleagues in Canada and visit usually annually. So it is a shame when people misrepresent the Canadian situation. Looking forward to seeing Canada back leading the world in production volumes using nuclear at CANDU :)

  • @SaiMuraliRavi
    @SaiMuraliRavi 6 ปีที่แล้ว

    Nice video. Where did you buy the phantom from? Thanks in advance.

    • @geoffcurrie968
      @geoffcurrie968 6 ปีที่แล้ว

      Gammasonics I think quite a few years ago