Chromosome instability in tumour resection margins of primary oral squamous cell cancer is a predictor of local recurrence. (March 2017) - Pierssens, D.; Borgemeester, M.; van der Heijden, S.; Peutz-Kootstra, C.; Ruland, A.; Haesevoets, A.; Kessler, P.; Kremer, B.; Speel, E.J.