Low glutamate concentrations in the left dorsolateral prefrontal cortex of patients with bipolar disorder and comorbid alcooholism: a 1H spectoscopy study - Nery, Fabiano G.; Stanley, Jeffrey A.; Chen, Hua-Hsuan; Hatch, John P.; Nicoletti, Mark A.; Soares, Jair C.; Monkul, E. Serap (Biological Psychiatry, 2007)