OC-022 Unexpected drainage patterns and high accuracy of SLNB in OSCC after previous neck treatment. (March 2019) - Boeve, K.; Den Toom, I.J.; Van Weert, S.; Bloemena, E.; Brouwers, A.H.; Hoekstra, O.S.; De Keizer, B.; Van der Vegt, B.; Willems, S.; Leemans, C.R.; Witjes, M.J.H.; De Bree, R.