Movahedi, Masoud, Marzieh Tavakol, Armin Hirbod-Mobarakeh, Mohammad Gharagozlou, Asghar Aghamohammadi, Zahra Tavakol, Kaveh Momenzadeh, Mohammad Nabavi, Abbas Dabbaghzade, Asieh Mosallanejad, and Nima Rezaei. “Vitamin D Deficiency in Chronic Idiopathic Urticaria.”. Iranian Journal of Allergy, Asthma and Immunology 14, no. 2 (1): 222-227. Accessed October 19, 2019. http://ijaai.tums.ac.ir/index.php/ijaai/article/view/391.