CANCER EXPERIENCE OF SEVERAL OCCUPATIONAL GROUPS FOLLOWED PROSPECTIVELY.
D006801:Humans; D009026:Mortality; D009369:Neoplasms / Q000453:epidemiology*; D009787:Occupational Medicine; D009790:Occupations; D012822:Silicon Dioxide; D012907:Smoking; D014481:United States
D012822:Silicon Dioxide
INDUSTRIAL MEDICINE; MORTALITY; NEOPLASM STATISTICS; OCCUPATIONS; SILICA; SMOKING; UNITED STATES