TY  - GEN
AU  - Zhao,M
TI  - [Two points concerning the prevention and management of chronic obstructive pulmonary diseases]
SN  - 1001-0939
PY  - 2002///0311
KW  - China
KW  - epidemiology
KW  - Disease Management
KW  - Epidemiologic Studies
KW  - Forced Expiratory Volume
KW  - Humans
KW  - Lung Volume Measurements
KW  - Population Surveillance
KW  - Pulmonary Disease, Chronic Obstructive
N1  - Publication Type: Editorial
ER  -