RT Journal Article
SR Electronic
T1 Reply
JF Gut
JO Gut
FD BMJ Publishing Group Ltd and British Society of Gastroenterology
SP 575
OP 575
DO 10.1136/gut.34.4.575
VO 34
IS 4
A1 D Westaby
A1 R Peters
YR 1993
UL http://gut.bmj.com/content/34/4/575.1.abstract
AB