BackgroundThe increasing burden of sexually transmitted infections (STIs) including HIV and syphilis among male sex workers (MSWs) is a major global concern. The aim of our study was to evaluate the difference between MSWs and non-commercial MSMs in China. MethodsDuring 2008-09. in a cross-sectional study. https://www.marketingjeunesse.com/product-category/energizing-hair-tonic/