Sharma A, SM M, G NR, B D, MR NG. A comparative study of efficacy and safety of flupirtine versus piroxicamin patients with low back pain. Int J Res Med Sci [Internet]. 2017 Jan. 12 [cited 2025 Oct. 15];3(9):2337-41. Available from: https://www.msjonline.org/index.php/ijrms/article/view/1719