title: [To concerned about chronic obstructive pulmonary disease and obstructive sleep apnea].
authors.forename: Quan-Ying
authors.initials: QY
authors.lastname: He
mesh_terms: D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000150:complications*; D020181:Sleep Apnea, Obstructive / Q000150:complications*