Genetics versus environment in inflammatory bowel disease: results of a British twin study.
Thompson
N P
NP
Inflammatory Bowel Disease Study Group, Royal Free Hospital School of Medicine, London.
Driscoll
R
R
Pounder
R E
RE
Wakefield
A J
AJ
D000328:Adult; D003093:Colitis, Ulcerative / Q000209:etiology* / Q000235:genetics; D003424:Crohn Disease / Q000209:etiology* / Q000235:genetics; D004781:Environmental Exposure / Q000009:adverse effects*; D006801:Humans; D014429:Twins, Dizygotic; D014430:Twins, Monozygotic