Studies of occupational cancer.
D001699:Biometry; D006801:Humans; D009369:Neoplasms / Q000453:epidemiology* / Q000706:statistics & numerical data*; D009784:Occupational Diseases / Q000453:epidemiology* / Q000706:statistics & numerical data*
NEOPLASMS/epidemiology and statistics; OCCUPATIONAL DISEASES/epidemiology and statistics