The effect of quartz and other non-coal dusts in coalworkers' pneumoconiosis. Part I: Epidemiological studies.
D003032:Coal Mining; D006801:Humans; D007616:Kaolin / Q000633:toxicity; D011009:Pneumoconiosis / Q000453:epidemiology*; D011791:Quartz / Q000633:toxicity*; D012822:Silicon Dioxide / Q000633:toxicity*; D006113:United Kingdom
D011791:Quartz; D007616:Kaolin; D012822:Silicon Dioxide