title: Lower- vs higher-dose estrogen for contraception.
authors.affiliation: Departmetn of Family and Community Medicine, University of California, San Francisco, USA.
authors.forename: Clarissa
authors.initials: C
authors.lastname: Kripke
mesh_terms: D003267:Contraception; D003277:Contraceptives, Oral, Combined / Q000009:adverse effects*; D004305:Dose-Response Relationship, Drug; D004967:Estrogens / Q000008:administration & dosage* / Q000009:adverse effects*; D004997:Ethinyl Estradiol / Q000008:administration & dosage* / Q000009:adverse effects*; D005260:Female; D006801:Humans
chemical_list: D003277:Contraceptives, Oral, Combined; D004967:Estrogens; D004997:Ethinyl Estradiol