Callosal atrophy in mild cognitive impairment and Alzheimer's disease: Different effects in different stages. - Margherita Di Paola; Eileen Luders; Fulvia Di Iulio; Andrea Cherubini; Domenico Passafiume; Paul M. Thompson; Carlo Caltagirone; Arthur W. Toga; Gianfranco Spalletta (NeuroImage, 2010)