Functional Magnetic Resonance Imaging Reveals Different Neural Substrates for the Effects of Orexin-1 and Orexin-2 Receptor Antagonists. - Gozzi, Alessandro; Turrini, Giuliano; Piccoli, Laura; Massagrande, Mario; Amantini, David; Antolini, Marinella; Martinelli, Prisca; Cesari, Nicola; Montanari, Dino; Tessari, Michela; Corsi, Mauro; Bifone, Angelo (PLoS ONE, 2011)