title: Oral contraceptives and liver cancer.
mesh_terms: D001695:Biology; D016022:Case-Control Studies; D003267:Contraception; D003276:Contraceptives, Oral; D019049:Developed Countries; D003906:Developing Countries; D004194:Disease; D005193:Family Planning Services; D008113:Liver Neoplasms; D009369:Neoplasms; D012106:Research; D012307:Risk Factors
chemical_list: D003276:Contraceptives, Oral
keywords: Biology; Case Control Studies; Contraception; Contraceptive Methods--side effects; Developed Countries; Developing Countries; Diseases; Family Planning; Literature Review; Liver Neoplasms; Neoplasms; Oral Contraceptives--side effects; Research Methodology; Risk Factors; Studies