Playback speed×Share postShare post at current timeShare from 0:000:00/541Randomized trials - the basics1:1 vs 1:2 randomization; blinding, concealment; K-M curvesVinay Prasad MD MPHFeb 28, 2023541ShareDiscussion about this videoCommentsRestacksThe Drug Development LetterSubscribeAuthorsVinay Prasad MD MPH