RT Journal Article SR Electronic T1 Loss of 123I-MIBG Uptake by the Heart in Parkinson's Disease: Assessment of Cardiac Sympathetic Denervation and Diagnostic Value—Reply JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 1594 OP 1595 VO 41 IS 9 A2 Martin P. Sandler A1 Melissa S. McKenna A1 Stephanie Dean YR 2000 UL http://jnm.snmjournals.org/content/41/9/1594.2.abstract AB