RT Journal Article SR Electronic T1 Clinical Evaluation of a New Indirect Indicator of Serum-Free Thyroxine Concentration JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 159 OP 163 VO 14 IS 3 A1 Abreau, Cynthia M. A1 Azizi, Fereidoun A1 Vagenakis, Apostolos G. A1 Ingbar, Sidney H. A1 Braverman, Lewis E. YR 1973 UL http://jnm.snmjournals.org/content/14/3/159.abstract AB