Comparative study on the antituberculous effect and mechanism of the traditional Chinese medicines NiuBeiXiaoHe extract and JieHeWan oleh Li-Yao Duan, Yan Liang, Wen-Ping Gong, Yong Xue, Jie Mi, Jie Wang, Lan Wang, Zai-Xing Jia, Hong Lei, Yu-Mei Liang, Jun Liu, Yue Zheng, Xue-Qiong Wu