González-Vives, Sara, Julia García-Albea, and Juan J. López-Ibor Aliño. 2012. “Exceptional States of Consciousness and Psychotropic Substance Consumption”. Actas Españolas De Psiquiatría 40 (Suppl. 2):96-103. https://actaspsiquiatria.es/index.php/actas/article/view/1409.