RT Journal Article SR Electronic T1 Physiology of the intestinal circulation JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 645 OP 645 DO 10.1136/gut.26.6.645-a VO 26 IS 6 A1 Wingate, David YR 1985 UL http://gut.bmj.com/content/26/6/645.2.abstract AB