@article{Arens2019, author = {Arens, Philipp and Ullrich, Andrea and Olze, Heidi and Uecker, Florian Cornelius}, year = {2019}, language = {eng}, copyright = {https://creativecommons.org/licenses/by/4.0/}, title = {Extraoral Osseous Choristoma in the Head and Neck Region: Case Report and Literature Review}, url = "http://dx.doi.org/10.17169/refubium-2891", }