%0 Journal Article %T Extraoral Osseous Choristoma in the Head and Neck Region: Case Report and Literature Review %A Andrea Ullrich %A Florian Cornelius Uecker %A Heidi Olze %A Philipp Arens %J Archive of "Case Reports in Otolaryngology". %D 2019 %R 10.1155/2019/8532356 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6558603/