Validation of classifications of pneumoconiosis.
D000367:Age Factors; D000397:Air Pollution; D003032:Coal Mining; D004391:Dust / Q000032:analysis; D004781:Environmental Exposure; D006801:Humans; D007501:Iron / Q000032:analysis; D008168:Lung / Q000032:analysis; D008722:Methods; D008903:Minerals / Q000032:analysis; D009929:Organ Size; D011009:Pneumoconiosis / Q000145:classification* / Q000000981:diagnostic imaging / Q000473:pathology; D011859:Radiography; D012822:Silicon Dioxide / Q000032:analysis; D013223:Statistics as Topic
D004391:Dust; D008903:Minerals; D012822:Silicon Dioxide; D007501:Iron