RT Journal Article SR Electronic T1 Comparison of Radioisotopic and Column Chromatographic Assay of Serum Thyroxine JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 281 OP 283 VO 10 IS 6 A1 Shigekoto Kaihara A1 Nicola Carulli A1 Henry N. Wagner, Jr. YR 1969 UL http://jnm.snmjournals.org/content/10/6/281.abstract AB