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perjantai, 19. lokakuuta 2012. FinOHTA, Stakes . Kliinisten kokeellisten tutkimusten historiaa. Lind: The most promising treatment for scurvy, 1753.Louis: The numerical method in assessing therapies, 1834.The idea of randomization, 1935.First randomized controlled trial, 1948First placebo contr
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