Ceylan, E., S. Bulut, M. Yilmaz, H. Örün, F. Karadağ, İmran Ömürlü, S. Kirdar, and A. Karul. “The Levels of Serum Biomarkers in Stable Asthma Patients With Comorbidities”. Iranian Journal of Allergy, Asthma and Immunology, Vol. 18, no. 1, Feb. 2019, pp. 27-37, doi:10.18502/ijaai.v18i1.628.