Patel, Ravish J, and Zil P Patel. “Formulation Optimization and Evaluation of Nanostructured Lipid Carriers Containing Valsartan”. International Journal of Pharmaceutical Sciences and Nanotechnology(IJPSN), vol. 6, no. 2, Aug. 2013, pp. 2077-86, doi:10.37285/ijpsn.2013.6.2.10.