P4–106: People diagnosed with early‐stage Alzheimer's disease show a slower increase in neuropsychiatric symptoms. (1st July 2013) - Hallikainen, Ilona; Hänninen, Tuomo; Fraunberg, Mikael; Hongisto, Kristiina; Välimäki, Tarja; Karppi, Pertti; Hiltunen, Asta; Soininen, Hilkka; Koivisto, Anne