Prevalence and associated factors of sexually transmitted infections among methamphetamine users in Eastern China: a cross-sectional study. - Ye, Xing; Li, Fu-Rong; Pan, Qing; Li, Zhen; Yu, Gong-Qi; Liu, Hong; Liu, Jian; Huai, Peng-Cheng; Zhang, Fu-Ren (BMC Infectious Diseases, 2022)