Sharma, M., and K. Varma. “Study of Direct Immunofluorescence in Various Autoimmune Vesiculobullous Disorders: An Observational Study”. Journal of Pakistan Association of Dermatologists, vol. 28, no. 1, July 2018, pp. 24-29, https://www.jpad.com.pk/index.php/jpad/article/view/985.