Adly, Madonna Nader, Mahmoud Fawzy Mandour, Mahmoud Foad Abd Elaziz, and Magdy Eisa Saafan. “Efficacy of Allergen Specific Immunotherapy for Treatment of Allergic Rhinitis: A Systematic Review and Meta-Analysis”. Journal of Advances in Medicine and Medical Research 33, no. 22 (November 23, 2021): 200-213. Accessed December 4, 2021. https://journaljammr.com/index.php/JAMMR/article/view/31172.