title: More on clinical trials.
authors.forename: I F
authors.initials: IF
authors.lastname: Litt
mesh_terms: D000293:Adolescent; D000295:Adolescent Medicine; D015706:Bibliometrics; D006801:Humans; D016247:Information Storage and Retrieval; D016239:MEDLINE; D009316:National Institutes of Health (U.S.); D010506:Periodicals as Topic / Q000706:statistics & numerical data*; D016032:Randomized Controlled Trials as Topic / Q000706:statistics & numerical data*; D014481:United States