Sheehan JL, Jacob J, Berinstein EM, Greene-Higgs L, Steiner CA, Berry SK, Shannon C, Cohen-Mekelburg SA, Higgins PDR, Berinstein JA. The Relationship Between Opioid Use and Healthcare Utilization in Patients With Inflammatory Bowel Disease: A Systematic Review and Meta-Analysis. Inflamm Bowel Dis. 2022 12 01; 28(12):1904-1914.