title: Uncertainty in clinical research.
authors.forename: R J
authors.initials: RJ
authors.lastname: Levine
mesh_terms: D002986:Clinical Trials as Topic; D030881:Disclosure; D004358:Drug Therapy; D004992:Ethics, Medical; D006801:Humans; D018579:Patient Selection; D010817:Physician-Patient Relations; D011897:Random Allocation; D012107:Research Design; D035842:Research Subjects; D018570:Risk Assessment; D014342:Truth Disclosure