Assertion: thalidomide's safety | /r/HasProperty | done by william s. merrell
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text: In September 1960, Dr. Frances Oldham Kelsey, a young pharmacologist who had just started working at the Food and Drug Administration, was asked to review the drug for approval but became alarmed by what she saw as the lack of rigorous scientific research supporting the drug’s safety done by Grünenthal and William S. Merrell, the United States distributor.