V. Sukthomya, K. Katanyoo, I. Chitapanarux, P. Kamnerdsupaphon, and V. Lorvidhaya, “A randomized Trial Comparing Between Two Fractionation Schedules in the Treatment of Metastatic Bone pain”, J Thai Assn of Radiat Oncol, vol. 15, no. 2, pp. 19–32, Dec. 2009.