RT Journal Article SR Electronic T1 Small intestinal adenocarcinoma, duodenal carcinoid tumour, and von Recklinghausen's neurofibromatosis. JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 553 OP 553 DO 10.1136/gut.29.4.553 VO 29 IS 4 A1 G T Williams A1 D F Griffiths A1 E D Williams YR 1988 UL http://gut.bmj.com/content/29/4/553.1.abstract AB