title: Why Referring Physicians Rarely Diagnose Gastrointestinal Diseases.
authors.affiliation: The Portland VA Medical Center and The Division of Gastroenterology/Hepatology, Oregon Health & Science University, Portland, Oregon, USA.
authors.forename: Amnon
authors.initials: A
authors.lastname: Sonnenberg
mesh_terms: D005762:Gastroenterology; D005767:Gastrointestinal Diseases / Q000175:diagnosis* / Q000191:economics / Q000628:therapy; D017048:Health Care Costs; D006801:Humans; D058007:Physicians, Primary Care; D011320:Primary Health Care / Q000191:economics; D012017:Referral and Consultation