RT Journal Article SR Electronic T1 (99mTc)-HM-PAO SPECT and dementia in Parkinson's disease. JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 981 DO 10.1136/jnnp.55.10.981-b VO 55 IS 10 A1 M A Kuiper A1 H C Weinstein A1 P L Bergmans A1 P Scheltens A1 E C Wolters YR 1992 UL http://jnnp.bmj.com/content/55/10/981.3.abstract AB