“Omalizumab Retreatment of Patients With Chronic Idiopathic Urticaria Spontaneous Urticaria (CIU CS) Following Return of Symptoms: Primary Results of the Optima Study”. SKIN The Journal of Cutaneous Medicine, vol. 2, no. S1, Feb. 2018, p. S54, https://doi.org/10.25251/skin.2.supp.54.