Chapman BP, Lai JT, Krotulski AJ, Fogarty MF, Griswold MK, Logan BK, Babu KM. A Case of Unintentional Opioid (U-47700) Overdose in a Young Adult After Counterfeit Xanax Use. Pediatr Emerg Care. 2021 Sep 01; 37(9):e579-e580.