"Drugs." . . . . . . . . "Offers a reconsideration of the potential of mind-expanding compounds from a religious point of view." . . . . . . . . . "Cleansing the doors of perception : the religious significance of entheogentic plants and chemicals" . . "Cleansing the doors of perception : the religious significance of entheogenic plants and chemicals" . "Hallucinaties." . . "Religieuze ervaring." . . "Hallucinogens." . . . . "Religion." . . "expérience religieuse hallucinogène." . .