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Hashimoto, Kenji, Göran Engberg, Eiji Shimizu, Conny Nordin, Leif H. Lindström, ja Masaomi Iyo. Elevated Glutamine/glutamate Ratio in Cerebrospinal Fluid of First Episode and Drug Naive Schizophrenic Patients. BioMed Central, 2005.

Hashimoto, Kenji, et al. Elevated Glutamine/glutamate Ratio in Cerebrospinal Fluid of First Episode and Drug Naive Schizophrenic Patients. BioMed Central, 2005.