TY - GEN AU - Castro,A AU - Cid,A AU - Buschbaum,P A AU - Clark,L TI - A new radioassay for serum vitamin B12 determination using chicken serum as a binder and an anion exchange resin column separation SN - 0034-5164 PY - 1979///0816 KW - Animals KW - Anion Exchange Resins KW - Blood Proteins KW - metabolism KW - Chickens KW - Chromatography, Ion Exchange KW - Cobalt Radioisotopes KW - Humans KW - Methods KW - Protein Binding KW - Vitamin B 12 KW - blood N1 - Publication Type: Journal Article ER -