title: Ethnic differences in VH gene polymorphism.
mesh_terms: D000483:Alleles; D005006:Ethnicity / Q000235:genetics*; D005803:Genes, Immunoglobulin; D006801:Humans; D007143:Immunoglobulin Heavy Chains / Q000235:genetics*; D007135:Immunoglobulin Variable Region / Q000235:genetics*; D005810:Multigene Family; D012150:Polymorphism, Restriction Fragment Length; D044469:Racial Groups / Q000235:genetics*
chemical_list: D007143:Immunoglobulin Heavy Chains; D007135:Immunoglobulin Variable Region