Samuel, J. An aid to gastrointestinal endoscopy / J. Samuel - Hyderabad : Paras Medical, 2000 - 229 p. : ill. ; 24 cm. ISBN: 8186635572 RM108.60 Subjects--Topical Terms: EndoscopyGastrointestinal diseases--Therapy National Library of Medicine Call No.: WI141 / .S187a 2000 9HUKM