title: Circulating immunoglobulin-transcobalamin I (R binder) complexes.
mesh_terms: D000368:Aged; D000936:Antigen-Antibody Complex; D001798:Blood Proteins / Q000276:immunology*; D006801:Humans; D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007136:Immunoglobulins; D008297:Male; D008875:Middle Aged; D014155:Transcobalamins / Q000276:immunology*; D014805:Vitamin B 12 / Q000097:blood / Q000276:immunology
chemical_list: D000936:Antigen-Antibody Complex; D001798:Blood Proteins; D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007136:Immunoglobulins; D014155:Transcobalamins; D014805:Vitamin B 12