CHATTOPADHYAY, SOUVIK, et al. “NOSE-TO-BRAIN DRUG DELIVERY: AN UPDATE TO THE ALTERNATIVE PATH TO SUCCESSFUL TARGETED ANTI-MIGRAINE DRUGS”. International Journal of Applied Pharmaceutics, vol. 13, no. 2, Mar. 2021, pp. 67-75, doi:10.22159/ijap.2021v13i2.40404.