Sadia Ikhlaque Sheikh, Ambreen Hafeez, and Ejaz Ahmed. 2014. “Clinical Study on Serum Nitric Oxide Levels in Osteoarthritis and Structure-Based Drug Design of New Inducible Nitric Oxide Synthase Inhibitors”. World Journal of Pharmaceutical Sciences 2 (2):137-43. https://wjpsonline.com/index.php/wjps/article/view/clinical-study-serum-nitric-oxide-levels-osteoarthritis.