title: Inflammatory bowel disease: family patterns and risk factors.
authors.affiliation: University of Chicago, Medical Center, IL 60637.
authors.forename: B A
authors.initials: BA
authors.lastname: Lashner
mesh_terms: D003276:Contraceptives, Oral / Q000009:adverse effects; D006801:Humans; D015212:Inflammatory Bowel Diseases / Q000453:epidemiology / Q000209:etiology* / Q000235:genetics; D012307:Risk Factors; D012907:Smoking / Q000009:adverse effects
chemical_list: D003276:Contraceptives, Oral