RT Journal Article SR Electronic T1 Variations in trypsinogen expression may influence the protective effect of the p.G191R PRSS2 variant in chronic pancreatitis JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 749 OP 750 DO 10.1136/gut.2008.173039 VO 58 IS 6 A1 Weiss, Frank Ulrich A1 Sahin-Tóth, Miklós YR 2009 UL http://gut.bmj.com/content/58/6/749.abstract AB