Begum, S. A., S. K. Tripathi, M. Nandy, S. K. Ghosh, S. Mukherjee, and D. Saha. “Relative Safety of Steroid Sparing Agents in Frequently Relapsing, Steroid Dependent and Steroid Resistant Nephrotic Syndrome in Pediatric Patients”. International Journal of Contemporary Pediatrics, vol. 7, no. 8, July 2020, pp. 1762-6, doi:10.18203/2349-3291.ijcp20203172.