RT Journal Article SR Electronic T1 A New Parameter of Thyroid Function— The effective Thyroxine Ratio JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 165 OP 168 VO 13 IS 2 A1 Mincey, E. K. A1 Thorson, S. C. A1 Brown, J. L. A1 Morrison, R. T. A1 McIntosh, H. W. YR 1972 UL http://jnm.snmjournals.org/content/13/2/165.abstract AB