Reirradiation of nasopharyngeal carcinoma focusing on volumetric modulated arcs with flat...
ZhuangM,HuangL,ZhuD,PengX,LinZ.Reirradiationofnasopharyngealcarcinomafocusingonvolumetricmodulatedarcswithflatteningfilter-freebeams.BrJRadiol.2015;88:20140837.