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It is reported that exogenous GABA enhanced indigenous GABA level which is metabolize to succinic acid and fed into the TCA cycle (Hijaz and Killiny, 2019)
However, the best way to manage a cobalt allergy is to avoid high doses of vitamin B12 and products containing cobalt
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"UCSF Chimera--a visualization system for exploratory research and analysis" (PDF)
