ขนาดวิดีโอ: 1280 X 720853 X 480640 X 360
แสดงแผงควบคุมโปรแกรมเล่น
เล่นอัตโนมัติ
เล่นใหม่
Thank you Mam, Very well explained!
Excellent explanation. Bless you.
Well explained.
Thank you
What if it's a study that looks back at old records? Like retrospective?
well explained
How is 4 years of exposure equivalent to 50 months???
Yeah, I got 48.
“Person time stops IN year 4,” not exactly ON year 4. Person 1 died 2 months after year 4, making 50 months.
Thank you Mam,
Very well explained!
Excellent explanation. Bless you.
Well explained.
Thank you
What if it's a study that looks back at old records? Like retrospective?
well explained
How is 4 years of exposure equivalent to 50 months???
Yeah, I got 48.
“Person time stops IN year 4,” not exactly ON year 4. Person 1 died 2 months after year 4, making 50 months.