RT Journal Article SR Electronic T1 Technical Evaluation of the Effective Thyroxine Ratio JF Journal of Nuclear Medicine Technology JO J. Nucl. Med. Technol. FD Society of Nuclear Medicine SP 14 OP 16 VO 1 IS 4 A1 Hsu, Yingchieh YR 1973 UL http://tech.snmjournals.org/content/1/4/14.abstract AB