Trakanwittayarak, Suphattra, et al. “Effective Treatment of Refractory Chronic Spontaneous Urticaria With Add-On Omalizumab and Ciclosporin: From Guideline to Real-Life Practice”. Archives of Clinical and Medical Case Reports, vol. 4, no. 3, May 2020, pp. 491-9, https://fortunejournals.org/ojs/index.php/acmcr/article/view/22337.