Subramanian, Dr. S. “Bilayer Tablets: Atorvastatin Calcium Nanoparticles and Clopidogrel Bisulfate Sustained Release Formulation”. Asian Journal of Pharmaceutics (AJP) 11, no. 02 (May 16, 2017). Accessed March 28, 2024. http://www.asiapharmaceutics.info/index.php/ajp/article/view/1154.