Mystakidou, MD, PhD, K., Katsouda, MD, PhD, E., Kouloulias, MD, PhD, V., Kouvaris, MD, PhD, J., Tsiatas, MD, M., & Vlahos, MD, PhD, L. (2005). Comparison of transdermal fentanyl with codeine/paracetamol, in combination with radiotherapy, for the management of metastatic bone pain. Journal of Opioid Management, 1(4), 204–210. https://doi.org/10.5055/jom.2005.0044