Torres, C M Evidence for snuffing in the prehispanic stone sculpture of San Agustín, Colombia. [electronic resource] - Journal of psychoactive drugs - 53-60 p. digital Publication Type: Historical Article; Journal Article ISSN: 0279-1072 Standard No.: 10.1080/02791072.1981.10471451 doi Subjects--Topical Terms: ArchaeologyArt--historyColombiaHistory, AncientHumansSculpture--historySubstance-Related Disorders--history