D. V. R. N. , Bhikshapathi, et al. “Gastroretentive Floating Capsules of Risedronate Sodium: Development, Optimization, in Vitro and in Vivo Evaluation in Healthy Human Volunteers”. International Journal of Pharmaceutical Sciences and Nanotechnology(IJPSN), vol. 8, no. 2, May 2015, pp. 2835-42, doi:10.37285/ijpsn.2015.8.2.6.