RT Journal Article SR Electronic T1 Types of pancreatitis. JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 430 OP 430 DO 10.1136/gut.26.4.430 VO 26 IS 4 A1 O Fitzgerald YR 1985 UL http://gut.bmj.com/content/26/4/430.abstract AB