title: Microheterogeneity of human serum transferrins: a consequence for immunochemical determinations?
mesh_terms: D005188:False Negative Reactions; D006801:Humans; D005779:Immunodiffusion; D007122:Immunoelectrophoresis; D012794:Sialic Acids / Q000032:analysis; D014168:Transferrin / Q000032:analysis*
chemical_list: D012794:Sialic Acids; D014168:Transferrin