title: Multicenter investigator-initiated trials.
authors.forename: C
authors.initials: C
authors.lastname: Lenfant
authors.forename: W
authors.initials: W
authors.lastname: Harlan
authors.forename: L M
authors.initials: LM
authors.lastname: Friedman
mesh_terms: D002986:Clinical Trials as Topic / Q000639:trends*; D015337:Multicenter Studies as Topic / Q000639:trends*; D009316:National Institutes of Health (U.S.); D014481:United States