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Pay-it-forward gonorrhea and chlamydia testing among men who have sex with men in China: a study protocol for a three-arm cluster randomized controlled trial.
Zhang TP, Yang F, Tang W, Alexander M, Forastiere L, Kumar N, Li K, Zou F, Yang L, Mi G, Wang Y, Huang W, Lee A, Zhu W, Vickerman P, Wu D, Yang B, Christakis NA, Tucker JD. Zhang TP, et al. Infect Dis Poverty. 2019 Aug 16;8(1):76. doi: 10.1186/s40249-019-0581-1. Infect Dis Poverty. 2019. PMID: 31426869 Free PMC article.