title: HLA DR3 in Thygeson's superficial punctate keratitis.
mesh_terms: D005787:Gene Frequency; D000949:Histocompatibility Antigens Class II / Q000235:genetics*; D006650:Histocompatibility Testing; D006801:Humans; D007634:Keratitis / Q000235:genetics*; D010641:Phenotype
chemical_list: D000949:Histocompatibility Antigens Class II