Thomsen, Michael, and Mathias Schmidt. 2021. “Health Policy versus Kava (Piper Methysticum): Anxiolytic Efficacy May Be Instrumental in Restoring the Reputation of a Major South Pacific Crop.” Journal of Ethnopharmacology 268 (March): 113582. https://doi.org/10.1016/j.jep.2020.113582
Check this out. It's freely available and pretty encompassing.
Check this out. It's freely available and pretty encompassing.