Silica exposure and silicosis among Ontario hardrock miners: I. Methodology.
An epidemiological investigation was undertaken to determine the relationship between silicosis in hardrock miners in Ontario and cumulative exposure to silica (crystalline silica--alpha quartz) dust. This first report describes the cohort, the method of classifying the radiographs, and the identification of a case of silicosis.
Muir
D C
DC
Occupational Health Program, McMaster University, Hamilton, Ontario, Canada.
Shannon
H S
HS
Julian
J A
JA
Verma
D K
DK
Sebestyen
A
A
Bernholz
C D
CD
D015331:Cohort Studies; D006801:Humans; D008906:Mining; D009864:Ontario; D012829:Silicosis / Q000175:diagnosis / Q000453:epidemiology*