RT Journal Article SR Electronic T1 Thyroid Uptake and Imaging with Iodine-123 at 4–5 Hours: Replacement of the 24-Hour Iodine-131 Standard JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 884 OP 887 VO 26 IS 8 A1 John L. Floyd A1 Paul R. Rosen A1 Ronald D. Borchert A1 Donald E. Jackson A1 Fredrick L. Weiland YR 1985 UL http://jnm.snmjournals.org/content/26/8/884.abstract AB