RT Journal Article SR Electronic T1 Glucocorticoids and the gastrointestinal tract: current status. JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 534 OP 539 DO 10.1136/gut.11.6.534 VO 11 IS 6 A1 P Cushman, Jr YR 1970 UL http://gut.bmj.com/content/11/6/534.abstract AB