title: Tamoxifen lowers breast cancer risk long term.
mesh_terms: D000328:Adult; D000368:Aged; D018931:Antineoplastic Agents, Hormonal / Q000008:administration & dosage*; D001943:Breast Neoplasms / Q000517:prevention & control*; D005260:Female; D006801:Humans; D008875:Middle Aged; D013629:Tamoxifen / Q000008:administration & dosage*
chemical_list: D018931:Antineoplastic Agents, Hormonal; D013629:Tamoxifen