%0 Journal Article %T A cancellation test: its reliability in assessing attentional deficits in Alzheimer's disease %A Sala, Sergio Della %A Laiacona, Marcella %A Spinnler, Hans %A Ubezio, Chiara %A , %J Psychological Medicine %@ 0033-2917 %D 1992-11-01 %I Cambridge University Press (CUP) %~ DeepDyve