RT Journal Article SR Electronic T1 Association of tumour necrosis factor α promoter haplotype with chronic pancreatitis JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1674 OP 1676 DO 10.1136/gut.2006.103085 VO 55 IS 11 A1 M-C Chang A1 Y-T Chang A1 Y-W Tien A1 P-C Liang A1 S-C Wei A1 J-M Wong YR 2006 UL http://gut.bmj.com/content/55/11/1674.2.abstract AB