title: IgM antibodies in acute toxoplasmosis. II. Prevalence and significance in acquired cases.
mesh_terms: D000293:Adolescent; D000328:Adult; D002499:Centrifugation, Density Gradient; D002648:Child; D002675:Child, Preschool; D005260:Female; D005455:Fluorescent Antibody Technique; D006386:Hemagglutination Tests; D006801:Humans; D007122:Immunoelectrophoresis; D007075:Immunoglobulin M / Q000032:analysis*; D007244:Infectious Mononucleosis / Q000276:immunology; D008297:Male; D008875:Middle Aged; D014123:Toxoplasmosis / Q000175:diagnosis / Q000276:immunology*; D008258:Waldenstrom Macroglobulinemia / Q000276:immunology
chemical_list: D007075:Immunoglobulin M