Smoking, respiratory symptoms and ventilatory capacity in young men.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001991:Bronchitis / Q000453:epidemiology / Q000209:etiology; D005387:Finland; D006801:Humans; D008176:Lung Volume Measurements; D008297:Male; D008889:Military Personnel; D005082:Physical Exertion; D010809:Physical Fitness; D012119:Respiration; D012141:Respiratory Tract Infections / Q000453:epidemiology / Q000209:etiology*; D012737:Sex Factors; D012907:Smoking