https://www.selleckchem.com/pr....oducts/purmorphamine
e legislative discussion of efficacy requirements started in the late 1950s, when evidence of effectiveness was not required in the United States before the marketing of a drug or medical device, and calls for the real-world comparative effectiveness research were being made by Senator Estes Kefauver. When the thalidomide tragedy stuck, Congress and the Kennedy Administration rushed to pass a new law to require that drugs be "effective in use." The regulations subsequently drafted by the FDA to enforce the law often required place
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