A Critical Review of Role of Medhya Dravyas (Nootropic Drugs) in Brain Fog with special reference to Covid- 19. International Journal of Ayurveda and Pharma Research, [S. l.], v. 10, n. 9, p. 86–99, 2022. DOI: 10.47070/ijapr.v10i9.2526. Disponível em: https://www.ijapr.in/index.php/ijapr/article/view/2526. Acesso em: 28 dec. 2025.