[The characteristics of recent HIV-1 infection and associated factors in Tianjin].Tielin Ning, S H Cheng, Xiangna Zhao et al.|PubMed|2019Cited by 6
[Factors associated with lost of follow-up of men who have sex with men in a gay bathhouse cohort study in Tianjin, 2012-2015].Yan Guo, Maohe Yu, Ning Zhou et al.|PubMed|2017Cited by 0