zhonghua yu fang yi xue za zhi [chinese journal of preventive medicine]2020Vol. 54pp. -
261
px2020zhonghua[analysis
Abstract
Objective: To understand the use of drug and its related factors among men who have sex with men, and to provide reference for the development of reasonable intervention measures. Methods: MSM was recruited from Jinan and Qingdao by means of on-site and internet recruiting from March t …