Muhammad Razi Ullah Khan, Musaddique Hussain, Shahid Masood Raza, Saeed Ur Rashid Nazir, Abrar Ahmed, and Sidra Hasnain, “Formulation Design and In Vitro Characterization of Etoricoxib Cream for the Treatment of Rheumatoid Arthritis: Formulation Design and In-Vitro Characterization of Etoricoxib Cream for the Treatment of Rheumatoid Arthritis”, Iran J Pharm Sci, vol. 10, no. 1, pp. 93–104, Jan. 2014.