Effects of diazepam on hippocampal blood flow in people at clinical high risk for psychosis by Livingston, NR, Kiemes, A, Devenyi, GA, Knight, S, Lukow, PB, Jelen, LA, Reilly, T, Dima, A, Nettis, MA, Casetta, C, Agyekum, T, Zelaya, F, Spencer, T, De Micheli, A, Fusar-Poli, P, Grace, AA, Williams, SCR, McGuire, P, Egerton, A, Chakravarty, MM, Modinos, G