M components with antibody activity. Anti-smooth muscle, anti-thyroglobulin and anti-streptolysin-O activity in five M component sera.

Aged Antibodies/analysis,isolation & purification Antigen-Antibody Reactions Antistreptolysin/analysis Electrophoresis Female Humans Immunodiffusion Immunoelectrophoresis Immunoglobulin A/analysis Immunoglobulin G/analysis Immunoglobulins/analysis Male Middle Aged Multiple Myeloma/diagnosis,immunology Muscle, Smooth/immunology Thyroglobulin gamma-Globulins/analysis

Antibodies Immunoglobulin A Immunoglobulin G Immunoglobulins gamma-Globulins Antistreptolysin Thyroglobulin