title: Reorienting gradient centrifugation in the determination of rubella specific IgM.
mesh_terms: D000914:Antibodies, Viral / Q000032:analysis; D002499:Centrifugation, Density Gradient / Q000379:methods; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D007074:Immunoglobulin G / Q000032:analysis; D007075:Immunoglobulin M / Q000032:analysis*; D012409:Rubella / Q000175:diagnosis / Q000276:immunology*
chemical_list: D000914:Antibodies, Viral; D007074:Immunoglobulin G; D007075:Immunoglobulin M