Sinha, R., S. Singh, G. Kamila, and A. Meena. “Congenital Methemoglobinemia Masquerading As Spastic Diplegic Cerebral Palsy”. International Journal of Contemporary Pediatrics, vol. 9, no. 8, July 2022, pp. 784-6, doi:10.18203/2349-3291.ijcp20221866.