RT Journal Article SR Electronic T1 Hyperthyroidism After Head and Neck Irradiation—Reply JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 2063 OP 2063 VO 30 IS 12 A1 Margaret Petersen A1 Christine Keeling A1 I. Ross McDougall YR 1989 UL http://jnm.snmjournals.org/content/30/12/2063.3.abstract AB