GOWRI SANKAR, D., R. KONDAVENI, T.V. RAGHAVA RAJU, and M. VAMSI KRISHNA. 2010. “Impurity Profiling of Aspirin in Tablet Dosage Forms by Reverse Phase High Performance Liquid Chromatography”. Asian Journal of Chemistry 21 (6):4289-93. https://asianpubs.org/index.php/ajchem/article/view/18163.