Sahoo, Subhashree, et al. “Valsartan Loaded Solid Lipid Nanoparticles: Development, Characterization, and In Vitro and Ex Vivo Evaluation”. International Journal of Pharmaceutical Sciences and Nanotechnology(IJPSN), vol. 4, no. 3, Nov. 2011, pp. 1505-18, doi:10.37285/ijpsn.2011.4.3.11.