R. Uebelhack; L. Franke; H. L. Schewe. Inhibition of platelet MAO-B by kava pyrone-enriched extract from Piper methysticum Forster (kava-kava). Pharmacopsychiatry. 1998, s. 187–192. doi:10.1055/s-2007-979325. PMID9832350.
S. S. Baum; R. Hill; H. Rommelspacher. Effect of kava extract and individual kavapyrones on neurotransmitter levels in the nucleus accumbens of rats. Progress in Neuro-Psychopharmacology and Biological Psychiatry. 1998, s. 1105–1120. doi:10.1016/S0278-5846(98)00062-1. PMID9829291.
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R. Uebelhack; L. Franke; H. L. Schewe. Inhibition of platelet MAO-B by kava pyrone-enriched extract from Piper methysticum Forster (kava-kava). Pharmacopsychiatry. 1998, s. 187–192. doi:10.1055/s-2007-979325. PMID9832350.
S. S. Baum; R. Hill; H. Rommelspacher. Effect of kava extract and individual kavapyrones on neurotransmitter levels in the nucleus accumbens of rats. Progress in Neuro-Psychopharmacology and Biological Psychiatry. 1998, s. 1105–1120. doi:10.1016/S0278-5846(98)00062-1. PMID9829291.