Nibber, Anjan, and Calum Honeyman. 2020. “Recurrent Ethmoid Mucocele With Cellulitis in a Patient With Pfeiffer Syndrome: Case Study”. Journal of the Nuffield Department of Surgical Sciences 1 (3). https://jnds.migration.pkpps03.publicknowledgeproject.org/index.php/JNDS/article/view/76.