Raguž, M., I. Bohaček, D. Sedmak, A. Hladnik, and D. Jalšovec. “Morphological Characterization of the Posterior Ethmoidal and Additional Ethmoidal Canal in Adult Croatian Population”. Italian Journal of Anatomy and Embryology, vol. 123, no. 3, May 2019, pp. 248-56, https://oajournals.fupress.net/index.php/ijae/article/view/1650.