Karim, M., J. Safa, A. Fnaiech, and A. Hana. “Maxillary Secondary Impression in Case of Hyperplastic Schroder Area: Clinical Report”. Asian Journal of Dental Sciences, Vol. 3, no. 2, May 2020, pp. 1-7, https://journalajds.com/index.php/AJDS/article/view/30109.