Tuan, W., 		Partin, M., 		Hwang, G., 		Heron, C., 		Burke, K., 		Von Rago, A., & 		Zgierska, A.
2024 Oct 22.  Risk of COVID-19 reinfection and its severe complications in adults treated with long-term opioids for chronic non-cancer pain. Medical Research Archives. [Online] 12:10