A Possibility of Simultaneous Treatment with the Multicomponent Drug, Ninjin'yoeito, for Anorexia, Apathy, and Cognitive Dysfunction in Frail Alzheimer's Disease Patients: An Open-Label Pilot Study - Ohsawa, M; Tanaka, Y; Ehara, Y; Makita, S; Onaka, K (J Alzheimers Dis Rep, 2017)