[Role of bacterial infection in acute exacerbations of chronic obstructive pulmonary disease].
Cao
Bin
B
Cai
Bai-qiang
BQ
D001424:Bacterial Infections / Q000503:physiopathology*; D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000382:microbiology* / Q000503:physiopathology