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Very good video. Thank you for sharing. 1) how to decide how many puffs are required in the yellow zone and in the red zone? 2) the number of puffs are different from patient to patient if they are in the yellow or red zone?
Very good video. Thank you for sharing. 1) how to decide how many puffs are required in the yellow zone and in the red zone? 2) the number of puffs are different from patient to patient if they are in the yellow or red zone?