Tanaka, O., and M. Oguchi. “A Single or Short Course of Palliative Radiotherapy Increases the Risk of Pain Flare”. Reports of Radiotherapy and Oncology, Vol. 3, no. 1, Mar. 2016, pp. 1-4, http://waocp.com/journal/index.php/Reports-of-Radiotherapy-and-Onco/article/view/2330.