Mayock SP, Saim S, Fleming AB. In Vitro Drug Release After Crushing: Evaluation of Xtampza® ER and Other ER Opioid Formulations [published correction appears in Clin Drug Investig. 2017 Dec;37(12 ):1203]. Clin Drug Investig. 2017;37(12):1117?1124. doi:10.1007/s40261-017-0561-9