Zix, J., O. Lieger, N. Saulacic, H. Thoren, and T. Iizuka. “Incidence, Aetiology and Pattern of Mandibular Fractures in central Switzerland”. Swiss Medical Weekly, vol. 141, no. 2122, May 2011, p. w13207, doi:10.4414/smw.2011.13207.