title: Hormonal contraceptives and HIV: hazards of pronouncing "negative" studies with low power.
authors.affiliation: Department of Epidemiology, Stempel College of Public Health and Social Work, Florida International University, 11200 SW 8th St., AHC 5- Rm 482, Miami, FL, USA, 33199. Electronic address: egollub@fiu.edu.
authors.forename: Erica L
authors.initials: EL
authors.lastname: Gollub
mesh_terms: D003267:Contraception / Q000379:methods*; D003268:Contraception Behavior / Q000706:statistics & numerical data*; D003278:Contraceptives, Oral, Hormonal / Q000627:therapeutic use*; D005191:Family Characteristics; D005260:Female; D015658:HIV Infections / Q000635:transmission*; D059147:HIV Serosorting; D006801:Humans; D008297:Male; D011247:Pregnancy
chemical_list: D003278:Contraceptives, Oral, Hormonal