INVESTIGATIONAL DRUG REGULATIONS AND CLINICAL RESEARCH.
D035843:Biomedical Research; D004335:Drug and Narcotic Control; D015507:Drugs, Investigational; D006076:Government; D006801:Humans; D007878:Legislation as Topic; D004364:Pharmaceutical Preparations; D012106:Research; D014481:United States
D015507:Drugs, Investigational; D004364:Pharmaceutical Preparations
CLINICAL RESEARCH; DRUGS; GOVERNMENT; LEGISLATION; RESEARCH; UNITED STATES