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. Author manuscript; available in PMC: 2011 Jan 1.
Published in final edited form as: Eur Neuropsychopharmacol. 2010 Jan;20(1):18–24. doi: 10.1016/j.euroneuro.2009.10.003

Figure 1. CSF 5-HIAA Concentrations at Nine Hours Following Active and Sham Tryptophan Depletion Protocol.

Figure 1

Abbreviations: CSF= cerebrospinal fluid, 5-HIAA= 5-hydroxyindoleacetic acid, ng/ml= nanograms per milliliter

Figure depicts: Mean, standard deviation, and confidence intervals.