A Radha Rama Devi, and Usha R Dutta. “Ring Chromosome 20 Associated With Refractory Epilepsy: A Case Report”. Asian Journal of Medical Sciences 2, no. 3 (April 24, 2012): 141–144. Accessed September 11, 2025. https://ajmsjournal.info/index.php/AJMS/article/view/3264.