Purushothaman M, and Vijaya Ratna J. “Formulation Optimization and Release Kinetics of Metronidazole Matrix, Compression and Spray Coated Tablets: Effect of Organic Acid on Colon Targeted Drug Delivery System”. International Journal of Research in Pharmaceutical Sciences 1, no. 4 (December 31, 2010): 551–562. Accessed October 9, 2025. https://ijrps.com/home/article/view/3002.