Srilatha Malvey, Venkateshwar Rao J, and Kottaimuthu A. “Formulation of Flurbiprofen Transdermal Patche: In Vitro and Ex Vivo Report”. International Journal of Research in Pharmaceutical Sciences, vol. 10, no. 4, Sept. 2019, pp. 2661-9, https://ijrps.com/home/article/view/2701.