"Opioid induced bowel disease: a twenty-first century physicians' dilemma. Considering pathophysiology and treatment strategies". Current Gastroenterology Reports. 15 (7): 334. July 2013. doi:10.1007/s11894-013-0334-4. PMID23836088.
"Opioid induced bowel disease: a twenty-first century physicians' dilemma. Considering pathophysiology and treatment strategies". Current Gastroenterology Reports. 15 (7): 334. July 2013. doi:10.1007/s11894-013-0334-4. PMID23836088.