Schmidt WK (November 2001). "Alvimopan* (ADL 8-2698) is a novel peripheral opioid antagonist". American Journal of Surgery. 182 (5A Suppl): 27S–38S. doi:10.1016/S0002-9610(01)00784-X. PMID11755894.
Sharma A, Jamal MM (July 2013). "Opioid induced bowel disease: a twenty-first century physicians' dilemma. Considering pathophysiology and treatment strategies". Current Gastroenterology Reports. 15 (7): 334. doi:10.1007/s11894-013-0334-4. PMID23836088. S2CID32265790.
Schmidt WK (November 2001). "Alvimopan* (ADL 8-2698) is a novel peripheral opioid antagonist". American Journal of Surgery. 182 (5A Suppl): 27S–38S. doi:10.1016/S0002-9610(01)00784-X. PMID11755894.
Sharma A, Jamal MM (July 2013). "Opioid induced bowel disease: a twenty-first century physicians' dilemma. Considering pathophysiology and treatment strategies". Current Gastroenterology Reports. 15 (7): 334. doi:10.1007/s11894-013-0334-4. PMID23836088. S2CID32265790.
Sharma A, Jamal MM (July 2013). "Opioid induced bowel disease: a twenty-first century physicians' dilemma. Considering pathophysiology and treatment strategies". Current Gastroenterology Reports. 15 (7): 334. doi:10.1007/s11894-013-0334-4. PMID23836088. S2CID32265790.