RT Journal Article SR Electronic T1 A Single Method for Measuring Total Thyroxine and Free Thyroxine Index in Serum JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 740 OP 742 VO 14 IS 10 A1 Cynthia Abreau A1 Apostolos Vagenakis A1 Fereidoun Azizi A1 Gary Portnay A1 Lewis Braverman YR 1973 UL http://jnm.snmjournals.org/content/14/10/740.abstract AB