title: [Discussion on several problems in diagnoses of pneumoconiosis].
authors.forename: Yi-qun
authors.initials: YQ
authors.lastname: Xuan
authors.forename: Jian-ming
authors.initials: JM
authors.lastname: Luo
authors.forename: Ming-wei
authors.initials: MW
authors.lastname: Shan
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D006801:Humans; D008297:Male; D008875:Middle Aged; D016272:Occupational Health / Q000331:legislation & jurisprudence*; D011009:Pneumoconiosis / Q000175:diagnosis*