Media type: E-Article Title: The patient as an active participant Contributor: Palmer, Eddy D. imprint: Elsevier BV, 1980 Published in: Gastrointestinal Endoscopy Language: English DOI: 10.1016/s0016-5107(80)73258-3 ISSN: 0016-5107 Keywords: Gastroenterology ; Radiology, Nuclear Medicine and imaging Origination: Footnote: