Inhalation of tobacco smoke.
D001991:Bronchitis; D003327:Coronary Disease; D006801:Humans; D008175:Lung Neoplasms; D012906:Smoke; D012907:Smoking; D014026:Nicotiana
D012906:Smoke
BRONCHITIS; CORONARY DISEASE; LUNG NEOPLASMS; SMOKING; TOBACCO