Underground ibogaine use for the treatment of substance use disorders: aqualitative analysis of subjective experiences - Rodríguez‐Cano, Borja J.; Kohek, Maja; Ona, Genís; Alcázar‐Córcoles, Miguel Ángel; Santos, Rafael Guimarães dos; Hallak, Jaime Eduardo Cecilio; Bouso, José Carlos (Drug and Alcohol Review, 2023)