Apathy and atrophy of subcortical brain structures in Huntington's disease: A two-year follow-up study oleh Verena Baake, Emma M. Coppen, Erik van Duijn, Eve M. Dumas, Simon J.A. van den Bogaard, Rachael I. Scahill, Hans Johnson, Blair Leavitt, Alexandra Durr, Sarah J. Tabrizi, David Craufurd, Raymund A.C. Roos