RT Journal Article
SR Electronic
T1 A shadow of doubt
JF Gut
JO Gut
FD BMJ Publishing Group Ltd and British Society of Gastroenterology
SP 617
OP 617
DO 10.1136/gut.2008.167767
VO 58
IS 5
A1 P J Allan
A1 S Appleton
A1 A S McIntyre
YR 2009
UL http://gut.bmj.com/content/58/5/617.abstract
AB