Epidemiologic studies on smoking in relation to lung cancer.
D001699:Biometry; D003327:Coronary Disease / Q000706:statistics & numerical data*; D016021:Epidemiologic Studies; D008175:Lung Neoplasms; D012907:Smoking / Q000009:adverse effects*
CORONARY DISEASE/statistics; LUNGS/neoplasms; SMOKING/injurious effects