title: What happened to drug trials in ulcerative colitis? Problems, PPARs, placebos, and (possible) progress.
authors.forename: A
authors.initials: A
authors.lastname: Kornbluth
mesh_terms: D002986:Clinical Trials as Topic; D003093:Colitis, Ulcerative / Q000188:drug therapy*; D005762:Gastroenterology / Q000639:trends; D006801:Humans; D010919:Placebos; D018160:Receptors, Cytoplasmic and Nuclear / Q000502:physiology; D014157:Transcription Factors / Q000502:physiology; D014481:United States
chemical_list: D010919:Placebos; D018160:Receptors, Cytoplasmic and Nuclear; D014157:Transcription Factors