No abstract available
MeSH terms
-
Adolescent
-
Adult
-
Age Factors
-
Aged
-
Body Constitution*
-
Body Height
-
Body Weight
-
Bronchitis* / etiology
-
Humans
-
Male
-
Medical History Taking
-
Middle Aged
-
Occupational Medicine
-
Respiration*
-
Respiratory Function Tests
-
Respiratory Tract Diseases / epidemiology
-
Smoking
-
Surveys and Questionnaires
-
Wales