title: Immunoglobulin concentrations in sera of normal children: quantitation against an international reference preparation.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D044383:Black People; D001782:Blood Donors; D002624:Chemistry, Clinical / Q000592:standards*; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007070:Immunoglobulin A / Q000032:analysis; D007074:Immunoglobulin G / Q000032:analysis; D007075:Immunoglobulin M / Q000032:analysis; D007136:Immunoglobulins / Q000032:analysis*; D007223:Infant; D008297:Male; D044465:White People
chemical_list: D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D007136:Immunoglobulins