Conversion of Amyloid Positive and Negative MCI to AD over 3 Years: An 11C-PIB PET Study
Neurol 73:754-760, 744, Okello,A.,et al, 2009
Frequent Amyloid Deposition Without Significant Cognitive Impairment Among the Elderly
Arch Neurol 65:1509-1517, Aizenstein,H.J.,et al, 2008