Gorajana, Adinarayana, et al. “Physicochemical Characterization and In Vitro Evaluation of Solid Dispersions of Nimodipine With PEG 8000”. Asian Journal of Chemistry, vol. 23, no. 7, Mar. 2011, pp. 2857-9, https://asianpubs.org/index.php/ajchem/article/view/10517.