Pardo, Bryce and Jirka, Taylor and Caulkins, Jonathan P and Kilmer, Beau and Reuter, Peter and Stein, Bradley D (2019) The future of fentanyl and other synthetic opioids. Santa Monica: RAND Corporation.

Saloner, Brendan and Whitley, Penn and Dawson, Eric and Passik, Steven and Gordon, Adam J and Stein, Bradley D (2023) Polydrug use among patients on methadone medication treatment: evidence from urine drug testing to inform patient safety. Addiction , 118 , (8) , pp. 1549-1556.