Transkei silicosis.
D000328:Adult; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D011658:Pulmonary Fibrosis / Q000000981:diagnostic imaging; D011859:Radiography; D012829:Silicosis / Q000000981:diagnostic imaging / Q000453:epidemiology / Q000209:etiology*; D013019:South Africa