RT Journal Article
SR Electronic
T1 Epidemiology supports oral contraceptives as a risk factor in Crohn's disease
JF Gut
JO Gut
FD BMJ Publishing Group Ltd and British Society of Gastroenterology
SP 140
OP 140
DO 10.1136/gut.46.1.140
VO 46
IS 1
A1 M ALIC
YR 2000
UL http://gut.bmj.com/content/46/1/140.1.abstract
AB