TY - Journal of Shandong University (Health Sciences) A1 - LIN Yuxi, LI Chuanxi, WANG Lin, MA Wei T1 - Sexual orientation disclosure and HIV testing uptake among men who have sex with men: chain mediating effect of HIV testing social norms and self-efficacy Y1 - JF - Journal of Shandong University (Health Sciences) JO - Journal of Shandong University (Health Sciences) SP - 113 EP - 119 VL - 59 IS - 3 UR - http://yxbwk.njournal.sdu.edu.cn N1 - 10.6040/j.issn.1671-7554.0.2020.1586 ER -