[Epidemiological problems in lung cancer--study of factors within the host with special reference to the relationship between pulmonary tuberculosis and lung cancer].
D000328:Adult; D000368:Aged; D006801:Humans; D008175:Lung Neoplasms / Q000453:epidemiology / Q000209:etiology*; D008297:Male; D008875:Middle Aged; D010414:Pennsylvania; D044469:Racial Groups; D014397:Tuberculosis, Pulmonary / Q000453:epidemiology / Q000209:etiology*