title: Update on the heritability of inflammatory bowel disease: the importance of twin studies.
authors.forename: Steven R
authors.initials: SR
authors.lastname: Brant
mesh_terms: D003093:Colitis, Ulcerative / Q000235:genetics; D003424:Crohn Disease / Q000235:genetics; D020022:Genetic Predisposition to Disease; D006801:Humans; D015212:Inflammatory Bowel Diseases / Q000453:epidemiology / Q000235:genetics*; D040582:Inheritance Patterns; D015995:Prevalence; D018433:Twin Studies as Topic; D014427:Twins