Semi‐automatic tumour volume measurements on MR‐Imaging using smartbrush® in oropharyngeal carcinomas; our experience in 5 patients. (6th April 2018) - Lodder, W.L.; Dorgelo, B.; Lancaster, J.; Hanlon, R.; Wieshmann, H.; de Bock, G.H.; van der Laan, B.F.A.M.