Rouf, M. A., S. Begum, T. Ali, M. M. Rahman, and S. Masood. “?-Tocopherol and Ketorolac on Pain in Long Evans Rats”. Journal of Bangladesh Society of Physiologist, vol. 12, no. 1, Sept. 2017, pp. 21-27, doi:10.3329/jbsp.v12i1.33924.