Suggested Topics within your search.
Suggested Topics within your search.
Cross-Sectional Studies
Forced Expiratory Volume
2
Humans
2
Male
2
Middle Aged
2
Pulmonary Disease, Chronic Obstructive
Smoking
Spirometry
chronic obstructive lung disease
2
cross-sectional study
2
forced expiratory volume
2
human
2
male
2
middle aged
2
pathophysiology
2
spirometry
2
Adult
1
Age Factors
1
Aged
1
Airway obstruction
1
Article
1
Chronic obstructive
1
Chronic obstructive pulmonary disease
1
Cigarette Smoking
1
Early Diagnosis
1
Equipment Design
1
Feasibility Studies
1
Female
1
Japan
1
Lung
1
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1
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2