title: Ethical considerations involved in randomized controlled trials of gastro-intestinal emergencies.
authors.forename: A L
authors.initials: AL
authors.lastname: Blum
authors.forename: A
authors.initials: A
authors.lastname: Sonnenberg
mesh_terms: D035061:Control Groups; D016638:Critical Illness; D004632:Emergency Medical Services; D006805:Human Experimentation; D006801:Humans; D007258:Informed Consent; D011897:Random Allocation; D012106:Research; D012107:Research Design; D036302:Therapeutic Human Experimentation