RT Journal Article SR Electronic T1 Dietary factors in the aetiology of gall stones. JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 888 OP 889 DO 10.1136/gut.30.6.888-b VO 30 IS 6 A1 Jørgensen, T YR 1989 UL http://gut.bmj.com/content/30/6/888.3.abstract AB