^Kava: a review of the safety of traditional and recreational beverage consumption (PDF). Food and Agriculture Organization of the United Nations and World Health Organization, Rome, Italy. 2016. [2018-12-16]. (原始内容 (PDF)于2019-04-23).
^Kuchta, K; Schmidt, M; Nahrstedt, A. German Kava Ban Lifted by Court: The Alleged Hepatotoxicity of Kava (Piper methysticum) as a Case of Ill-Defined Herbal Drug Identity, Lacking Quality Control, and Misguided Regulatory Politics.. Planta medica. 2015-12, 81 (18): 1647–53. PMID 26695707. doi:10.1055/s-0035-1558295.|author1=和|last1=只需其一 (帮助)
^Showman, AF; Baker, JD; Linares, C; Naeole, CK; Borris, R; Johnston, E; Konanui, J; Turner, H. Contemporary Pacific and Western perspectives on `awa (Piper methysticum) toxicology.. Fitoterapia. 2015-01, 100: 56–67. PMID 25464054. doi:10.1016/j.fitote.2014.11.012.
^Kava Kava: Benefits, Side Effects and Dosage. Healthline. 2018-02-10 [2018-12-18]. (原始内容于2018-12-18) (英语).
^Kava Kava: Benefits, Side Effects and Dosage. Healthline. 2018-02-10 [2018-12-18]. (原始内容于2018-12-18) (英语).
^How Much Kava To Take?. kava guru. [2018-12-18]. (原始内容于2018-12-18).
^ 10.010.1Christopher., Kilham,. Kava: Medicine Hunting in Paradise: The Pursuit of a Natural Alternative to Anti-Anxiety Drugs and Sleeping Pills. Rochester, Vt.: Park Street Press. 06-01. ISBN 0892816406. OCLC 34549108.请检查|date=中的日期值 (帮助) 引文格式1维护:日期与年 (link)
^Lebot, V.; Do, T.K.T.; Legendre, L. Detection of flavokavins (A, B, C) in cultivars of kava (Piper methysticum) using high performance thin layer chromatography (HPTLC). Food Chemistry. 2014-05, 151: 554–560. ISSN 0308-8146. doi:10.1016/j.foodchem.2013.11.120.
^Lebot, Vincent; Merlin, Mark; Lindstrom, Lamont. Kava: The Pacific Elixir: The Definitive Guide to Its Ethnobotany, History, and Chemistry. Inner Traditions / Bear & Co. 02. ISBN 9780892817269(英语).请检查|date=中的日期值 (帮助) 引文格式1维护:日期与年 (link)
^Cairney, Sheree; Clough, Alan R.; Maruff, Paul; Collie, Alex; Currie, Bart J.; Currie, Jon. Saccade and cognitive function in chronic kava users. Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology. 2003-2, 28 (2): 389–396 [2018-12-03]. ISSN 0893-133X. PMID 12589393. doi:10.1038/sj.npp.1300052. (原始内容于2018-12-03).请检查|date=中的日期值 (帮助)
^LaPorte, E.; Sarris, J.; Stough, C.; Scholey, A. Neurocognitive effects of kava (Piper methysticum): a systematic review. Human Psychopharmacology. 2011-3, 26 (2): 102–111 [2018-12-03]. ISSN 1099-1077. PMID 21437989. doi:10.1002/hup.1180. (原始内容于2018-12-03).请检查|date=中的日期值 (帮助)
^Baker, Jonathan D. Tradition and toxicity: evidential cultures in the kava safety debate. Social Studies of Science. 2011-6, 41 (3): 361–384 [2018-12-03]. ISSN 0306-3127. PMID 21879526. doi:10.1177/0306312710395341. (原始内容于2018-12-03).请检查|date=中的日期值 (帮助)