The role of tobacco smoking in disease of the respiratory tract.
D004194:Disease; D006801:Humans; D008175:Lung Neoplasms / Q000209:etiology*; D012120:Respiration Disorders; D012137:Respiratory System; D012140:Respiratory Tract Diseases; D012907:Smoking
LUNG NEOPLASMS/etiology; RESPIRATORY SYSTEM/diseases; SMOKING