RT Journal Article SR Electronic T1 Correction: Metabolic biomarker signature to differentiate pancreatic ductal adenocarcinoma from chronic pancreatitis JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 994 OP 994 DO 10.1136/gutjnl-2016-312432corr1 VO 67 IS 5 YR 2018 UL http://gut.bmj.com/content/67/5/994.abstract AB