Neurotransmitters (CSF amine / monamine metabolites, 5-Methyltetrahydrofolate (5-MTHF), Pterins and PLP / Homovanillic Acid / 5-HIAA / CSF Pterins / Tetrahydrobiopterin / Dihydrobiopterin / Neopterin – Total / HVA:5HIAA Ratio)

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