Khanna, Shreshth, Suman Bala, Yashpal Singh, Taruna Sharma, Juhi Kalra, D. C. Dhasmana, and Saurabh Kohli. “Comparative Evaluation of Levetiracetam and Valproic Acid As Monotherapy on Cognitive Impairment in Patients of Epilepsy”. International Journal of Basic & Clinical Pharmacology 8, no. 4 (March 23, 2019): 674–680. Accessed November 10, 2025. https://www.ijbcp.com/index.php/ijbcp/article/view/3114.