O. K. Reena Mariyath, M. P. Binitha, V. P. Anilakumari, G. Biju, P. K. Nikhila, and M. Pradeep, “Association between chronic spontaneous urticaria and thyroid autoimmunity: a case control study from a tertiary care centre”, Int J Res Dermatol, vol. 3, no. 1, pp. 64–68, Feb. 2017.