Sugawa, Choichi, 1935- Primer of gastrointestinal fiberoptic endoscopy / Choichi Sugawa, Bernard M. Schuman ; foreword by Alexander J. Walt. - 1st ed. - Boston : Little, Brown ; c1981. - xii, 165 p., [10] p. of plates : col ill ; 26 cm. Includes bibliographies and index. ISBN: 0316821500 LCCN: 80084382 Subjects--Topical Terms: Endoscopy.Gastrointestinal system--Examination. LC Class. No.: RC804.E6 / S93 Dewey Class. No.: 616.3/307545