The 12-Word Philadelphia Verbal Learning Test Performances in Older Adults: Brain MRI and Cerebrospinal Fluid Correlates and Regression-Based Normative Data oleh Katherine A. Gifford, Dandan Liu, Jacquelyn E. Neal, Michelle A. Babicz, Jennifer L. Thompson, Lily E. Walljasper, Margaret E. Wiggins, Maxim Turchan, Kimberly R. Pechman, Katie E. Osborn, Lealani Mae Y. Acosta, Susan P. Bell, Timothy J. Hohman, David J. Libon, Kaj Blennow, Henrik Zetterberg, Angela L. Jefferson