A meta analysis of the correlation between  rheumatoid arthritis and obstructive lung disease
Zou Rongxin1,2, Li Xiaoke1,2, Chu Zanpo1,2, Ying Ying1, Peng Yong1, Chen Yong1
Clinical Focus . 2018, (11): 983 -986 .  DOI: 10.3969/j.issn.1004-583X.2018.11.015