title: Models, methods, and goals.
authors.affiliation: Yale University School of Medicine, New Haven, CT 06510-8025.
authors.forename: A R
authors.initials: AR
authors.lastname: Feinstein
mesh_terms: D002986:Clinical Trials as Topic / Q000379:methods* / Q000706:statistics & numerical data; D006040:Goals; D008954:Models, Biological; D011897:Random Allocation; D012107:Research Design