title: Serum immunoglobulin levels in healthy Ethiopian schoolchildren.
mesh_terms: D000328:Adult; D002648:Child; D005002:Ethiopia; D006801:Humans; D007070:Immunoglobulin A / Q000378:metabolism*; D007074:Immunoglobulin G / Q000378:metabolism*; D007075:Immunoglobulin M / Q000378:metabolism*
chemical_list: D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M