RT Journal Article SR Electronic T1 Significance of Extrathyroidal Uptake of Tc-99m and I-123 in the Thyroid Scan: Concise Communication JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 1039 OP 1042 VO 22 IS 12 A1 Ryo, U. Yun A1 Stachura, Max E. A1 Schneider, Arthur B. A1 Nichols, Reuben A1 Cogan, Sheldon R. A1 Pinsky, Steven YR 1981 UL http://jnm.snmjournals.org/content/22/12/1039.abstract AB