No abstract available
MeSH terms
-
Adult
-
Age Factors
-
Aged
-
Air / analysis*
-
Anthropometry
-
Bronchitis / epidemiology
-
Carbon Monoxide / analysis*
-
Cough / epidemiology
-
Electrocardiography
-
Female
-
Health Surveys
-
Heart Diseases / epidemiology
-
Humans
-
London
-
Male
-
Middle Aged
-
Partial Pressure
-
Pulmonary Ventilation
-
Sex Factors
-
Smoking*
-
Social Class
-
Spirometry
-
Surveys and Questionnaires