The Role of the Basal Forebrain in Episodic Memory Retrieval: A Positron Emission Tomography Study. - Toshikatsu Fujii; Jiro Okuda; Takashi Tsukiura; Hiroya Ohtake; Rina Miura; Reiko Fukatsu; Kyoko Suzuki; Ryuta Kawashima; Masatoshi Itoh; Hiroshi Fukuda; Atsushi Yamadori (NeuroImage, 2002)