KHANNA, S.; BALA, S.; SINGH, Y.; SHARMA, T.; KALRA, J.; DHASMANA, D. C.; KOHLI, S. Comparative evaluation of levetiracetam and valproic acid as monotherapy on cognitive impairment in patients of epilepsy. International Journal of Basic & Clinical Pharmacology, [S. l.], v. 8, n. 4, p. 674–680, 2019. DOI: 10.18203/2319-2003.ijbcp20191098. Disponível em: https://www.ijbcp.com/index.php/ijbcp/article/view/3114. Acesso em: 10 nov. 2025.