Vadalouca, MD, PhD, FIPP, A., Moka, MD, E., Argyra, MD, PhD, E., Sikioti, MD, P. and Siafaka, MD, PhD, I. 2018. Opioid rotation in patients with cancer: A review of the current literature. Journal of Opioid Management. 4, 4 (Jan. 2018), 213–250. DOI:https://doi.org/10.5055/jom.2008.0027.