Dietary supplements: first do some harm.
Witmer
David R
DR
D019587:Dietary Supplements / Q000009:adverse effects* / Q000592:standards*; D006801:Humans; D007880:Legislation, Drug; D007881:Legislation, Food; D011786:Quality Control; D014481:United States; D014486:United States Food and Drug Administration / Q000331:legislation & jurisprudence*