Zeppetella, FRCP, G., Porzio, MD, G. and Aielli, MD, F. 2007. Opioids applied topically to painful cutaneous malignant ulcers in a palliative care setting. Journal of Opioid Management. 3, 3 (May 2007), 161–166. DOI:https://doi.org/10.5055/jom.2007.0054.