Karadeniz, Hazan, and Abdurrahman Tufan. “Eosinophilic Granulomatosis With Polyangiitis (EGPA)”. Acta Medica 52 (April 30, 2021): 39. Accessed December 6, 2021. https://actamedica.org/index.php/actamedica/article/view/604.