
Citation:
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. 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. Infect Dis Poverty. 2019 Aug 16;8(1):76. doi: 10.1186/s40249-019-0581-1. PMID: 31426869; PMCID: PMC6700988.