title: Levonorgestrel-releasing IUD and breast cancer.
authors.forename: R M
authors.initials: RM
authors.lastname: Spira
authors.forename: T
authors.initials: T
authors.lastname: Peretz
authors.forename: D
authors.initials: D
authors.lastname: Hochner-Tzelniker
authors.forename: H R
authors.initials: HR
authors.lastname: Freund
mesh_terms: D000328:Adult; D001943:Breast Neoplasms / Q000139:chemically induced*; D003271:Contraceptive Agents, Female / Q000009:adverse effects*; D005260:Female; D006801:Humans; D016912:Levonorgestrel / Q000009:adverse effects*
chemical_list: D003271:Contraceptive Agents, Female; D016912:Levonorgestrel