Soumya, B., S. Arvapalli, J. Sharma, and P. Nagaraju. “Design, Characterization and In-Vitro Evaluation of Superporous Hydrogel Tablets of Nimodipine”. Journal of Drug Delivery and Therapeutics, Vol. 9, no. 3, May 2019, pp. 300-9, doi:10.22270/jddt.v9i3.2659.