RT Journal Article SR Electronic T1 Toadfish Serum as a Binder for In Vitro Assay of Vitamin B12 JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 737 OP 739 VO 17 IS 8 A1 Hyung-Rho Kim A1 Julia W. Buchanan A1 Richard D'Antonio A1 Steven M. Larson A1 Ray P. Morgan A1 Jan I. Thorell A1 Patricia A. McIntyre A1 Henry N. Wagner, Jr. YR 1976 UL http://jnm.snmjournals.org/content/17/8/737.abstract AB