Fig. 1
From: Social network and HIV risk behaviors in female sex workers: a systematic review
![Fig. 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12889-018-5944-1/MediaObjects/12889_2018_5944_Fig1_HTML.png)
Flow diagram of screening and selection studies
From: Social network and HIV risk behaviors in female sex workers: a systematic review
Flow diagram of screening and selection studies