The efficacy of adding budesonide/formoterol to ipratropium plus theophylline in managing severe chronic obstructive pulmonary disease: an open-label, randomized study in China

Bằng Kewu Huang, Yanfei Guo, Jian Kang, Li An, Zeguang Zheng, Lijun Ma, Liping Peng, Hongyang Wang, Rong Su, Yohji Itoh, Chen Wang
Được phát hành 2019-06-01