RT Journal Article SR Electronic T1 T-cell lymphoma: the real thing JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 638 OP 639 DO 10.1136/gut.45.5.638 VO 45 IS 5 A1 P G ISAACSON YR 1999 UL http://gut.bmj.com/content/45/5/638.abstract AB