title: Low molecular weight IgM in human sera.
mesh_terms: D000818:Animals; D001796:Blood Protein Disorders / Q000097:blood*; D002499:Centrifugation, Density Gradient; D006041:Goats; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D007106:Immune Sera; D005779:Immunodiffusion; D007074:Immunoglobulin G / Q000032:analysis*; D007075:Immunoglobulin M / Q000032:analysis*; D008103:Liver Cirrhosis / Q000097:blood; D008180:Lupus Erythematosus, Systemic / Q000097:blood; D008297:Male; D008970:Molecular Weight; D011694:Purpura, Hyperglobulinemic / Q000097:blood; D011817:Rabbits; D008258:Waldenstrom Macroglobulinemia / Q000097:blood
chemical_list: D007106:Immune Sera; D007074:Immunoglobulin G; D007075:Immunoglobulin M