Screening analysis of tuberculosis patients and their close contacts in some schools in Beijing
Duan Huijuan, Dai Guangming, Chu Hongqian, Yang Zhen, Bao Cheng, He Yanping, Sun Zhaogang
Journal of Capital Medical University . 2021, (2): 273 -279 .  DOI: 10.3969/j.issn.1006-7795.2021.02.019