Balaji Kalpana, G., Vijaya Bhaskar, N., Arshad Ahmed Khan, K. and Ravi Prakash, P. 2021. Formulation, Optimization and Evaluation of Gastroretentive Alginate Beads of Ivacaftor by Using Factorial Design. Journal of Clinical and Pharmaceutical Research. 1, 2 (Apr. 2021), 16–25. DOI:https://doi.org/10.61427/jcpr.v1.i2.2021.22.