Panel 1: phase I investigations.
D002986:Clinical Trials as Topic; D004341:Drug Evaluation; D004353:Drug Evaluation, Preclinical; D006805:Human Experimentation; D006801:Humans; D007883:Legislation, Medical; D010600:Pharmacology; D012107:Research Design; D013997:Time Factors; D014481:United States; D000078329:Workforce