Lutfullaev У., Lutfullaev Г., Safarova Н., Muxtarova Д., and X. Nuraddinov. “Metods of Diagnosis and Treatment Hemangioms of Nasal Cavity and Paranasal Sinuses”. Journal Problems of Biology and Medicine, no. 2 (94), May 2017, pp. 178-9, https://www.inlibrary.uz/index.php/problems_biology/article/view/3096.