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Cao B, Saffer AJ, Yang C, Chen H, Peng K, Pan SW, Durvasula M, Liu C, Fu H, Ong JJ, Tang W, Tucker JD.Cao B, et al. Among authors: yang c.AIDS Behav. 2019 May;23(5):1368-1374. doi: 10.1007/s10461-019-02404-z.AIDS Behav. 2019.PMID: 30680538Free PMC article.
Yang C, Latkin CA, Liu P, Nelson KE, Wang C, Luan R.Yang C, et al.AIDS Care. 2010 Feb;22(2):246-52. doi: 10.1080/09540120903111437.AIDS Care. 2010.PMID: 20390503Free PMC article.