Gelfand, David W Gastrointestinal radiology : performing and interpreting fluoroscopic examinations / David W. Gelfand - New York : Churchill Livingstone, 1984 - 347 p.: ill. ; 26 cm. Includes bibliographies and index ISBN: 0443080968 Subjects--Topical Terms: Gastrointestinal system--RadiographyDiagnosis, FluoroscopicFloroscopy