title: Studies on vitamin B 12 binders of human serum. (I) Isolation and characterization.
mesh_terms: D001798:Blood Proteins / Q000302:isolation & purification*; D002848:Chromatography, DEAE-Cellulose; D003037:Cobalt Radioisotopes; D004590:Electrophoresis, Paper; D005260:Female; D006801:Humans; D008297:Male; D008970:Molecular Weight; D014805:Vitamin B 12 / Q000097:blood*
chemical_list: D001798:Blood Proteins; D003037:Cobalt Radioisotopes; D014805:Vitamin B 12