Positron Emission Tomography in Evaluation of DementiaJAMA 286:2120-2127,2194, Silverman,D.H.S.,et al, 2001
Apolipoprotein E and Cognitive Decline in Alzheimer's DiseaseNeurol 47:317-320, Plassman,B.L.&Breitner,J.C.S., 1996