Decreased theophylline half-life in cigarette smokers.
D000328:Adult; D000628:Aminophylline; D006207:Half-Life; D006801:Humans; D008297:Male; D008875:Middle Aged; D012907:Smoking; D013806:Theophylline / Q000378:metabolism; D013997:Time Factors
D000628:Aminophylline; D013806:Theophylline