Vivek Murlidhar Chaudhari and Mandle Rita G (2022) “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, 10(9), pp. 86-99. doi: 10.47070/ijapr.v10i9.2526.