PeerJ Insights and progress on the biosynthesis, metabolism, and physiological functions of gamma aminobutyric acid (GABA): a review Frontiers The GlutamateGlutamine (GABA) Cycle: Importance of Late Postnatal Development and Potential Reciprocal Interactions between Biosynthesis and Degradation GABA (Gamma Aminobutyric Acid) 750mg 180 Capsules Glutamate metabolism in induced resistance against plant pathogens ScienceDirect GABA Integrative Therapeutics Glutamate GABA glutamine ratios in intact and ischemia reperfusion challenged rat brain subregions, the effect of ischemic preconditioning Metabolic Brain Disease Springer Nature Link