title: Opinion: HLA-DRB alleles polymorphism in four ethnic populations in Northwestern China.
authors.affiliation: Xi'an Jiaotong University, Xi'an Shaanxi Province 710049, People's Republic of China.
authors.forename: S
authors.initials: S
authors.lastname: Lai
mesh_terms: D002681:China; D005006:Ethnicity / Q000235:genetics*; D006684:HLA-DR Antigens / Q000235:genetics*; D006801:Humans; D011110:Polymorphism, Genetic
chemical_list: D006684:HLA-DR Antigens