Investigation of drug resistance status and risk factors of multidrug-resistance in 249 aged pulmonary tuberculosis patients

XI Ying, TANG Jun, QIAO Rui-jun, SUN Feng, YU Yan-hong

Chinese Journal of Antituberculosis . 2021, (6): 636 -641 . DOI: 10.3969/j.issn.1000-6621.2021.06.020