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Rütten H, Pop LA, Janssens GO, Takes RP, Knuijt S, Rooijakkers AF, van den Berg M, Merkx MA, van Herpen CM, Kaanders JH.Rütten H, et al. Among authors: takes rp.Int J Radiat Oncol Biol Phys. 2011 Nov 15;81(4):923-9. doi: 10.1016/j.ijrobp.2010.07.013. Epub 2010 Nov 20.Int J Radiat Oncol Biol Phys. 2011.PMID: 21095074