Rajput, H. S. ., . M. . Bhowmick, V. . Rathi, and J. . Rathi. “Design and Evaluation of a Sustained Release Gastroretentive Dosage Form of Captopril ”. International Journal of Research and Development in Pharmacy & Life Sciences, vol. 6, no. 2, Mar. 2017, pp. 2535-47, doi:10.21276/IJRDPL.2278-0238.2017.6(2).2535-2547.