Unal, M., A. Kucuk, F. Tuncez Akyurek, and Z. Gizem Kaya Islamoglu. “Evaluation of Frequency of Irritable Bowel Syndrome in Patients With Chronic Urticaria”. Annals of Medical Research, vol. 25, no. 2, May 2021, pp. 0199-02, http://annalsmedres.org/index.php/aomr/article/view/1512.