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[6] Schep, L. J., et al. (2012). "The clinical toxicology of gamma-hydroxybutyrate, gamma-butyrolactone and 1,4-butanediol. Clinical Toxicology", 50(6): 458-470.

[7] Benarroch, E. (2009). "γ-Hydroxybutyric acid and its relevance in neurology". Neurology, 72(3): 282-286.