[Two points concerning the prevention and management of chronic obstructive pulmonary diseases].
Zhao
M
M
D002681:China / Q000453:epidemiology; D019468:Disease Management; D016021:Epidemiologic Studies; D005541:Forced Expiratory Volume; D006801:Humans; D008176:Lung Volume Measurements; D011159:Population Surveillance; D029424:Pulmonary Disease, Chronic Obstructive / Q000453:epidemiology* / Q000503:physiopathology / Q000517:prevention & control / Q000628:therapy