RT Journal Article SR Electronic T1 Iodine-131 Treatment of Hyperthyroidism: Significance of Effective Half-life Measurements JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 228 OP 232 VO 37 IS 2 A1 Berg, Gertrud E.B. A1 Michanek, Annika M.K. A1 Holmberg, Erik C.V. A1 Fink, Margareta YR 1996 UL http://jnm.snmjournals.org/content/37/2/228.abstract AB