title: Serum immunoglobulin levels in White, Asiatic and Bantu blood donors.
mesh_terms: D000328:Adult; D000367:Age Factors; D000704:Analysis of Variance; D044466:Asian People; D044383:Black People; D005006:Ethnicity; D006801:Humans; D007118:Immunoassay; D005779:Immunodiffusion; D007070:Immunoglobulin A / Q000032:analysis; D007074:Immunoglobulin G / Q000032:analysis; D007075:Immunoglobulin M / Q000032:analysis; D008875:Middle Aged; D013019:South Africa; D044465:White People; D005719:gamma-Globulins / Q000032:analysis*
chemical_list: D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D005719:gamma-Globulins