The effect of antipsychotics on glutamate levels in the anterior cingulate cortex and clinical response: A 1H-MRS study in first-episode psychosis patients by Zahid, U, McCutcheon, RA, Borgan, F, Jauhar, S, Pepper, F, Nour, MM, Rogdaki, M, Osugo, M, Murray, GK, Hathway, P, Murray, RM, Howes, OD