RT Journal Article SR Electronic T1 Loss of Dopamine-D2 Receptor Binding Sites in Parkinsonian Plus Syndromes JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 954 OP 960 VO 39 IS 6 A1 Hierholzer, Johannes A1 Cordes, Michael A1 Venz, Stephan A1 Schelosky, Ludwig A1 Harisch, Cordula A1 Richter, Wolf A1 Keske, Uwe A1 Hosten, Norbert A1 Mäurer, Jürgen A1 Poewe, Werner A1 Felix, Roland YR 1998 UL http://jnm.snmjournals.org/content/39/6/954.abstract AB