Maxillofacial injuries in severely injured patients after road traffic accidents - a retrospective evaluation of the traumaregister DGU® 1993–2014. (May 2019) - Pietzka, S.; Kämmerer, P.W.; Pietzka, S.K.; Schramm, A.; Lampl, L.; Lefering, R.; Kulla, M.; Wilde, F.; Mascha, F.