title: Levonorgestrel in contraceptives and multipurpose prevention technologies: does this progestin increase HIV risk or interact with antiretrovirals?
authors.affiliation: aGuttmacher Institute, New York City, New York bDepartment of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland cDepartment of Family Medicine, Boston University School of Medicine/Boston Medical Center, Boston, Massachusetts dDepartment of Obstetrics, Gynecology, and Reproductive Sciences and Magee-Womens Research Institute, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA.
authors.forename: Chelsea B
authors.initials: CB
authors.lastname: Polis
authors.forename: Sharon J
authors.initials: SJ
authors.lastname: Phillips
authors.forename: Sharon L
authors.initials: SL
authors.lastname: Hillier
authors.forename: Sharon L
authors.initials: SL
authors.lastname: Achilles
mesh_terms: D003271:Contraceptive Agents, Female; D015658:HIV Infections; D006801:Humans; D016912:Levonorgestrel; D011372:Progestins
chemical_list: D003271:Contraceptive Agents, Female; D011372:Progestins; D016912:Levonorgestrel