title: Studies on a fragment of human IgM macroglobulins related to "J chain".
mesh_terms: D000478:Alkylation; D002850:Chromatography, Gel; D004586:Electrophoresis; D004589:Electrophoresis, Disc; D006801:Humans; D007075:Immunoglobulin M / Q000032:analysis*; D008259:Macroglobulins / Q000032:analysis*; D010084:Oxidation-Reduction; D008258:Waldenstrom Macroglobulinemia / Q000276:immunology
chemical_list: D007075:Immunoglobulin M; D008259:Macroglobulins