TY - GEN AU - Belfus , Linda C. ;ed. AU - Kelvin , Frederick M. ;ed. TI - The radiologic clinics of north America Vol - 20: radiology of the alimentary tract U1 - 616.0757 PY - 1982/// CY - Philadelphia PB - W.B.Saunders KW - GASTROINTESTINAL SYSTEM-DISEASES-DIAGNOSIS KW - DIGESTIVE SYSTEM-RADIOGRAPHY KW - GASTROINTESTINAL SYSTEM-RADIOGRAPHY KW - DIGESTIVE SYSTEM-RADIONUCLIDE IMAGING KW - ULTRASONIC-DIAGNOSTIC ER -