Bonthagarala, Brahmaiah, Shabana P., Abbaraju Harini, and Varun Dasari. “Nasal Drug Delivery: A Potential Route for Brain Targetting”. International Journal of Advances in Scientific Research 1, no. 2 (April 1, 2015): 65-70. Accessed September 22, 2018. https://ssjournals.com/index.php/ijasr/article/view/1782.