RT Journal Article SR Electronic T1 PET in the Evaluation of Alzheimer Disease and Related Disorders JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology DO 10.3174/ajnr.A1731 YR 2009 UL http://www.ajnr.org/content/early/2009/07/30/ajnr.A1731.abstract AB