Analysis of the sputum negative conversion rate and risk factors for primary pulmonary tuberculosis with tracheobronchial tuberculosis

KUANG Hao-bin, LIANG Min-qing, FANG Qiong, HE Qiao, CHENG Wu, KUANG Xiao-jia，LIAO Jin-liang，TAN Shou-yong

Chinese Journal of Antituberculosis . 2013, (10): 812 -815 .