title: [Advances in the study of bronchial asthma complicated with chronic obstructive pulmonary disease].
authors.forename: Xiao-Feng
authors.initials: XF
authors.lastname: Xin
mesh_terms: D001249:Asthma / Q000150:complications*; D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000150:complications*