RT Journal Article SR Electronic T1 The Exocrine Pancreas JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 263 OP 263 DO 10.1136/gut.21.3.263 VO 21 IS 3 A1 Taylor, Rodney H YR 1980 UL http://gut.bmj.com/content/21/3/263.1.abstract AB