A. Stillhard, C. Buschor, G. Krastl, S. Kühl, and A. Filippi, “Frequency of injuries, in particular dental injuries, in ski jumping and Nordic combined. : Level of knowledge regarding mouthguards and tooth rescue boxes – a questionnaire study”, Swiss Dent. J. SSO, vol. 125, no. 7/8, pp. 815–819, 2015, doi: 10.61872/sdj-2015-07-08-154.