Duru, Uzoma B An Unusual Amnestic Syndrome Associated With Combined Fentanyl and Cocaine Use. [electronic resource] - Annals of internal medicine 11 2018 - 662-663 p. digital Publication Type: Letter; Comment ISSN: 1539-3704 Standard No.: 10.7326/L18-0411 doi Subjects--Topical Terms: CocaineDrug OverdoseFentanylHumans