Improved Classification of Alzheimer's Disease Data via Removal of Nuisance Variability Koikkalainen, Juha ; Pölönen, Harri ; Mattila, Jussi ; van Gils, Mark ; Soininen, Hilkka ; Lötjönen, Jyrki Abstract Publication: PLoS ONE Pub Date: February 2012 DOI: 10.1371/journal.pone.0031112 Bibcode: 2012PLoSO...731112K