Erjavec M, Movrin T, Auersperg M, Golouh R
J Nucl Med. 1977 Apr;18(4):346-7.
Imaging was performed with both pertechnetate and 131I in 58 patients with thyroid nodules. Pertechnetate concentrated in all 12 follicular carcinomas, in two out of seven papillary carcinomas, and in some benign nodules that did not accumulate 131I in the 24-hr images.