Research on hormonal contraception and HIV - Authors' reply.
Division of Epidemiology, University of California Berkeley, Berkeley, CA 94704, USA. Electronic address: lauren.ralph@berkeley.edu.
Lauren
L
Ralph
Division of Epidemiology, University of California Berkeley, Berkeley, CA 94704, USA.
Sandra
S
McCoy
Department of Infectious Disease Epidemiology, Imperial College London, London, UK.
Timothy
T
Hallett
Division of Epidemiology, University of California Berkeley, Berkeley, CA 94704, USA.
Nancy
N
Padian
D003271:Contraceptive Agents, Female / Q000009:adverse effects*; D005260:Female; D015658:HIV Infections / Q000453:epidemiology*; D006801:Humans; D017258:Medroxyprogesterone Acetate / Q000009:adverse effects*; D009640:Norethindrone / Q000031:analogs & derivatives*; D016032:Randomized Controlled Trials as Topic / Q000379:methods*
D003271:Contraceptive Agents, Female; D017258:Medroxyprogesterone Acetate; D009640:Norethindrone