CIGARETTE SMOKING AS THE MAJOR CAUSE OF LUNG CANCER. II.
D008175:Lung Neoplasms; D009369:Neoplasms / Q000209:etiology*; D012907:Smoking; D013019:South Africa; D013223:Statistics as Topic; D014026:Nicotiana; D014116:Toxicology
LUNG NEOPLASMS; NEOPLASM ETIOLOGY; SMOKING; SOUTH AFRICA; STATISTICS; TOXICOLOGIC REPORT