Talwar, V., and P. Bhaskar. “Autologous Serum Therapy in Chronic Spontaneous Urticaria: Useful in Both ASST Positive and Negative Patients”. International Journal of Research in Dermatology, vol. 8, no. 2, Feb. 2022, pp. 224-7, doi:10.18203/issn.2455-4529.IntJResDermatol20220489.