Clinical features of chronic obstructive pulmonary disease with lung cancer
Cai Jingjing1，2， Miao Jianlong1， Zhou Jinhua1， Zhang Yingying1，2， Liu Ruijuan1
Clinical Focus . 2017, (12): 1065 .  DOI: 10.3969/j.issn.1004-583X.2017.12.012