G. U C, K. R H, C. W. Pote, D. A. Thanvi, and P. D. Chaudhari, “Preparation and Evaluation of Spray Dried Mucoadhesive Microspheres of Metoclopramide Hydrochloride for Nasal Delivery”, Scopus Indexed, vol. 6, no. 1, pp. 1994–2007, May 2013.