TY - JOUR KW - Adult KW - Agammaglobulinemia KW - Aged KW - Arthritis, Rheumatoid KW - Centrifugation, Density Gradient KW - Chromatography KW - Chromatography, Gel KW - Epitopes KW - Humans KW - Immunodiffusion KW - Immunoglobulin G KW - Immunoglobulin M KW - Immunoglobulins KW - Immunologic Deficiency Syndromes KW - leprosy KW - Lupus Erythematosus, Systemic KW - Middle Aged KW - Multiple Myeloma KW - Scleroderma, Systemic KW - Waldenstrom Macroglobulinemia KW - Gamma-Globulins AU - DAMMACCO F AU - Giustino V AU - BONOMO L BT - International archives of allergy and applied immunology C1 - http://www.ncbi.nlm.nih.gov/pubmed/4192482?dopt=Abstract DA - 1970 DO - 10.1159/000230317 IS - 6 J2 - Int. Arch. Allergy Appl. Immunol. LA - eng PY - 1970 SP - 618 EP - 26 T2 - International archives of allergy and applied immunology TI - The occurrence of serum 7S IgM in diseases associated with immunoglobulin abnormalities. VL - 38 SN - 0020-5915 ER -