RT Journal Article SR Electronic T1 Faecal calprotectin levels and colorectal neoplasia JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 579 OP 580 DO 10.1136/gut.48.4.579 VO 48 IS 4 A1 W G BRYDON A1 S S CAMPBELL A1 N A ANDERSON A1 R G WILSON A1 S GHOSH YR 2001 UL http://gut.bmj.com/content/48/4/579.abstract AB