title: Letter: Oral contraceptives and benign liver tumour.
mesh_terms: D000328:Adult; D003276:Contraceptives, Oral / Q000009:adverse effects*; D003280:Contraceptives, Oral, Synthetic / Q000009:adverse effects*; D005260:Female; D006222:Hamartoma / Q000139:chemically induced* / Q000473:pathology; D006801:Humans; D008113:Liver Neoplasms / Q000139:chemically induced* / Q000473:pathology
chemical_list: D003276:Contraceptives, Oral; D003280:Contraceptives, Oral, Synthetic