Devi, A. R. R. and Dutta, U. R. (2012) “Ring Chromosome 20 Associated with Refractory Epilepsy: A Case Report”, Asian Journal of Medical Sciences, 2(3), pp. 141–144. Available at: https://www.nepjol.info/index.php/AJMS/article/view/5607 (Accessed: 18 February 2026).