RT Article T1 A nationwide study of skiing and snowboarding-related facial trauma JF Craniomaxillofacial trauma & reconstruction A1 Sorenson, Thomas J. A2 Schubert, Warren A2 Borad, Vedant LA English YR 2021 UL https://krimdok.uni-tuebingen.de/Record/1912632535 DO 10.1177/1943387521997237