RT Journal Article SR Electronic T1 The Timing of Pregnancy Testing in 131I Therapy JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 327 OP 327 DO 10.2967/jnumed.112.115071 VO 54 IS 2 A1 Edward B. Silberstein YR 2013 UL http://jnm.snmjournals.org/content/54/2/327.abstract AB