title: Effectiveness of nonemergency care via an emergency room. A study of 116 patients with gastrointestinal symptoms.
mesh_terms: D002908:Chronic Disease; D004636:Emergency Service, Hospital; D005069:Evaluation Studies as Topic; D005500:Follow-Up Studies; D005767:Gastrointestinal Diseases / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000628:therapy; D006801:Humans; D008396:Maryland; D011787:Quality of Health Care; D011859:Radiography