title: Obstetrics and gynecology.
authors.affiliation: Johns Hopkins University School of Medicine, Baltimore, MD.
authors.forename: G R
authors.initials: GR
authors.lastname: Huggins
authors.forename: A C
authors.initials: AC
authors.lastname: Wentz
mesh_terms: D005260:Female; D006176:Gynecology / Q000639:trends*; D006801:Humans; D007246:Infertility / Q000628:therapy; D016912:Levonorgestrel; D017258:Medroxyprogesterone Acetate / Q000627:therapeutic use; D009774:Obstetrics / Q000639:trends*; D010051:Ovarian Neoplasms / Q000453:epidemiology; D014481:United States
chemical_list: D016912:Levonorgestrel; D017258:Medroxyprogesterone Acetate