“Influence of Solvents on the Crystal Habit and Properties of Rofecoxib and Celecoxib: No Evidence of Polymorphism”. Journal of Pharmaceutical Negative Results 1, no. 2 (June 7, 2010): 40–50. Accessed June 6, 2026. https://www.pnrjournal.com/index.php/home/article/view/14.