title: [Saber-sheath trachea of patients with coal worker's pneumonoconiosis combined with emphysema].
authors: Wen-Hui
authors: WH
authors: Dai
authors: Li-Ping
authors: LP
authors: Chai
authors: Bin
authors: B
authors: Xie
mesh_terms: D000368:Aged; D055008:Anthracosis / Q000150:complications / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D008875:Middle Aged; D011656:Pulmonary Emphysema / Q000150:complications / Q000000981:diagnostic imaging; D036542:Tomography, Spiral Computed; D014132:Trachea / Q000000981:diagnostic imaging / Q000473:pathology*