title: Obstetrics and gynecology.
authors.affiliation: University of California, Los Angeles, USA.
authors.forename: R M
authors.initials: RM
authors.lastname: Pitkin
mesh_terms: D005260:Female; D006176:Gynecology / Q000639:trends*; D006801:Humans; D007752:Obstetric Labor, Premature; D009774:Obstetrics / Q000639:trends*; D027383:Papillomaviridae; D011247:Pregnancy; D012099:Reproductive Techniques / Q000639:trends; D014412:Tumor Virus Infections; D014481:United States; D002583:Uterine Cervical Neoplasms