Title: ABC OF THE UPPER GASTROINTESTINAL TRACT; ED. BY ROBERT P.H. LOGAN
Subjects: Gastrointestinal system, diseases, Gastrointestinal system, Diseases, Digestive organs, Gastrointestinal Diseases, Digestive System, Tractus gastro-intestinal, Maladies, Appareil digestif, HEALTH & FITNESS, General, MEDICAL, Clinical Medicine, Evidence-Based Medicine, Internal Medicine