1. Hormonal contraceptive use and women's risk of HIV acquisition: a meta-analysis of observational studies 
Lauren J Ralph, MPH, Sandra I McCoy, PhD, Karen Shiu, MPH, Nancy S Padian, PhD 
The Lancet Infectious Diseases 
Volume 15, Issue 2, Pages (February 2015)
DOI: /S (14)
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2. Figure 1 Flowchart of study selection
The Lancet Infectious Diseases  , DOI: ( /S (14) )
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3. Figure 2
Forest plot of the primary analysis of the relation between depot medroxyprogesterone acetate and HIV
The Lancet Infectious Diseases  , DOI: ( /S (14) )
Copyright © 2015 Elsevier Ltd Terms and Conditions