title: Risk factors for gall-bladder disease: a cohort study of young women attending family planning clinics.
mesh_terms: D000328:Adult; D000367:Age Factors; D003276:Contraceptives, Oral / Q000009:adverse effects; D005260:Female; D005705:Gallbladder Diseases / Q000209:etiology*; D006801:Humans; D008423:Maternal Age; D008875:Middle Aged; D009765:Obesity / Q000150:complications; D010298:Parity; D012306:Risk; D012907:Smoking; D012923:Social Class
chemical_list: D003276:Contraceptives, Oral