title: Local IRBs, multicenter trials, and the ethics of internal amendments.
authors.affiliation: John J. Conley Department of Ethics, St. Vincent's, Manhattan, NY, USA.
authors.forename: Lynn A
authors.initials: LA
authors.lastname: Jansen
mesh_terms: D002985:Clinical Protocols; D032962:Consent Forms / Q000592:standards; D028744:Ethics Committees, Research / Q000458:organization & administration; D006801:Humans; D015337:Multicenter Studies as Topic; D018579:Patient Selection; D010919:Placebos; D016032:Randomized Controlled Trials as Topic / Q000941:ethics*; D012107:Research Design; D035842:Research Subjects; D012559:Schizophrenia / Q000188:drug therapy; D015983:Selection Bias
chemical_list: D010919:Placebos