Silicosis in the ball-clay and china-clay industries.
D000538:Aluminum Silicates; D002681:China; D000077215:Clay; D007221:Industry; D012829:Silicosis / Q000453:epidemiology* / Q000706:statistics & numerical data*
D000538:Aluminum Silicates; D000077215:Clay
SILICOSIS/epidemiology and statistics