title: [Polymorphism of angiotensin-converting enzyme gene and changes of serum concentration in patients with pneumoconiosis].
authors: Guo-Xuan
authors: GX
authors: Ma
authors: Hong-Fen
authors: HF
authors: Li
authors: Shou-Ling
authors: SL
authors: Wu
mesh_terms: D000328:Adult; D005838:Genotype; D006801:Humans; D008297:Male; D008875:Middle Aged; D007703:Peptidyl-Dipeptidase A / Q000097:blood* / Q000235:genetics*; D011009:Pneumoconiosis / Q000097:blood* / Q000235:genetics*; D020641:Polymorphism, Single Nucleotide
chemical_list: D007703:Peptidyl-Dipeptidase A