title: Evidence-based medicine in practice: applying intention-to-treat analysis and perprotocol analysis.
authors.affiliation: Division of Gastroenterology, University of Michigan, School of Medicine, Ann Arbor, MI 48105, USA.
authors.forename: Philip S
authors.initials: PS
authors.lastname: Schoenfeld
mesh_terms: D000328:Adult; D000929:Antidepressive Agents, Tricyclic / Q000627:therapeutic use*; D003967:Diarrhea / Q000188:drug therapy* / Q000209:etiology; D019317:Evidence-Based Medicine; D005260:Female; D006801:Humans; D043183:Irritable Bowel Syndrome / Q000150:complications / Q000188:drug therapy*; D016032:Randomized Controlled Trials as Topic
chemical_list: D000929:Antidepressive Agents, Tricyclic