title: [Two cases of occupational chronic high altitude disease].
authors.forename: Li
authors.initials: L
authors.lastname: Cheng
authors.forename: Li
authors.initials: L
authors.lastname: Jia
mesh_terms: D000532:Altitude Sickness; D002908:Chronic Disease; D006801:Humans; D008297:Male; D008875:Middle Aged; D009784:Occupational Diseases