Hallucinogenic species in Amanita muscaria. Determination of muscimol and ibotenic acid by ion-interaction HPLC. J Liq Chromatogr Relat Technol 1997 Hallucinogenic species in Amanita muscaria. Determination of muscimol and ibotenic acid by ion-interaction HPLC. DOI: 10.1080/10826079708010660 (opens in new tab)