Analysis of the inflammation index in COPD patients with or without-bronchiectasis
WANG Zheng, WANG Zhen, CHAI Shu-kun, LIU Rong-hui, SHI Jin-ying, MENG Ai-hong
Journal of Hebei Medical University . 2020, (8): 888 -891 .  DOI: 10.3969/j.issn.1007-3205.2020.08.005