Ravenscroft, Morag M. Gastrointestinal endoscopy and related procedures : a handbook for nurses and assistants / by Morag M. Ravenscroft and Charles H.J. Swan - London (England) : Chapman and Hall, 1984 - 256 p. : ill. ; 24 cm. ISBN: 0412166003 Subjects--Topical Terms: Endoscopy--NursingGastrointestinal Diseases--nursing