Singh, Sudarshan, et al. “Formulation and Ex-Vivo Evaluation of Transdermal Patches of Glipizide Using the Penetration Enhancer Buchanania- Lanzan (Spreng) Seed Oil”. International Journal of Pharmaceutical Sciences and Nanotechnology(IJPSN), vol. 8, no. 1, Feb. 2015, pp. 2768-74, doi:10.37285/ijpsn.2015.8.1.9.