RT Journal Article SR Electronic T1 A tangled tale of molecular subtypes in pancreatic cancer JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 953 OP 954 DO 10.1136/gutjnl-2018-318086 VO 68 IS 6 A1 Shiv Singh A1 Marie Christin Hasselluhn A1 Albrecht Neesse YR 2019 UL http://gut.bmj.com/content/68/6/953.abstract AB