“Comparative Study of CD105 and Ki-67 in Adenoid Cystic Carcinoma and Polymorphous Low Grade Adenocarcinoma of the Salivary Glands”. JOURNAL OF UNIVERSITY OF BABYLON for Pure and Applied Sciences, vol. 27, no. 3, June 2019, pp. 1-9, https://www.journalofbabylon.com/index.php/JUBPAS/article/view/2357.