No abstract available
MeSH terms
-
Anthracosilicosis / physiopathology*
-
Bronchitis / physiopathology
-
Dyspnea / physiopathology*
-
Humans
-
Lung / physiopathology
-
Lung Volume Measurements
-
Male
-
Middle Aged
-
Oxygen / blood
-
Physical Exertion
-
Smoking / physiopathology