Yardeni, MD, I.Z., Beilin, MD, B., Mayburd, MD, E., Alcalay, MSc, Y. and Bessler, PhD, H. 2018. Relationship between fentanyl dosage and immune function in the postoperative period. Journal of Opioid Management. 4, 1 (Jan. 2018), 27–33. DOI:https://doi.org/10.5055/jom.2008.0005.