title: Human antibodies to ruminant IgM concealing the absence of IgA in man.
mesh_terms: D000361:Agammaglobulinemia / Q000175:diagnosis*; D000362:Agar; D000818:Animals; D000906:Antibodies; D000888:Antibodies, Anti-Idiotypic; D001797:Blood Protein Electrophoresis; D002417:Cattle; D005260:Female; D006041:Goats; D006801:Humans; D007106:Immune Sera; D005779:Immunodiffusion; D007122:Immunoelectrophoresis; D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D007782:Lactoglobulins; D011233:Precipitin Tests; D012756:Sheep; D065227:Transfusion Reaction
chemical_list: D000906:Antibodies; D000888:Antibodies, Anti-Idiotypic; D007106:Immune Sera; D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D007782:Lactoglobulins; D000362:Agar