RT Journal Article SR Electronic T1 Genes means pancreatitis JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 150 OP 151 DO 10.1136/gut.44.2.150 VO 44 IS 2 A1 D C WHITCOMB YR 1999 UL http://gut.bmj.com/content/44/2/150.abstract AB