RT Journal Article SR Electronic A1 Boltz, Kathy T1 Early Initiation of Low-Dose Levothyroxine After Radioactive Iodine Appears Safe JF MD Conference Express YR 2015 FD SAGE Publications VO 15 IS 4 SP 10 OP 11 DO 10.1177/1559897715581822 UL http://mdc.sagepub.com/content/15/4/10.1.abstract AB Initiating low-dose levothyroxine at 4 weeks after radioactive iodine therapy for Graves disease appears safe and did not increase the risk of hyperthyroidism in this interim safety analysis of 20 patients.