WELFARE IMPLICATIONS OF CLOSED-CYCLE FARMING OF ATLANTIC BLUEFIN TUNA (THUNNUS THYNNUS)



Burden of HIV and Syphilis: A Comparative Evaluation between Male Sex Workers and Non-Sex-Worker Men Who Have Sex with Men in Urban China.

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, 2618 adult MSM were recruited through respon

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