title: Clinical trials in ulcerative colitis: I. Personal observations.
authors.affiliation: Department of Medicine, Lenox Hill Hospital, New York, New York.
authors.forename: B I
authors.initials: BI
authors.lastname: Korelitz
authors.forename: M L
authors.initials: ML
authors.lastname: Margolin
mesh_terms: D002986:Clinical Trials as Topic / Q000379:methods*; D003093:Colitis, Ulcerative / Q000188:drug therapy*; D006801:Humans; D012107:Research Design