title: Addendum: immunoglobulins and ethnic groups.
mesh_terms: D044466:Asian People; D044383:Black People; D004777:Environment; D005006:Ethnicity; D006801:Humans; D006942:Hypergammaglobulinemia / Q000235:genetics*; D007136:Immunoglobulins; D044469:Racial Groups; D012959:Socioeconomic Factors; D044465:White People
chemical_list: D007136:Immunoglobulins