Patient Participation in Medical and Social Decisions in Alzheimer's Disease - Hamann, Johannes; Bronner, Katharina; Margull, Julia; Mendel, Rosmarie; Diehl-Schmid, Janine; Bühner, Markus; Klein, Reinhold; Schneider, Antonius; Kurz, Alexander; Perneczky, Robert (Journal of the American Geriatrics Society (JAGS), 2011)