Daily changes in ventilatory capacity in smokers and in non-smokers.
D000328:Adult; D000375:Aging; D001827:Body Height; D006801:Humans; D008297:Male; D008875:Middle Aged; D009790:Occupations; D010507:Periodicity; D012129:Respiratory Function Tests; D012723:Sex; D012907:Smoking; D013147:Spirometry; D013223:Statistics as Topic