[1]
R. D. . Parmar, R. K. . Parikh, G. Vidyasagar, D. V. . Patel, C. J. . Patel, and B. D. . Patel, “Pulsatile Drug Delivery Systems: An Overview”, Scopus Indexed, vol. 2, no. 3, pp. 605–614, Nov. 2009.