Devika.G.S, Ramesh Petchi, M.Kiran kumar, and M.Purushothaman. 2016. “DETERMINATION OF ENTACAPONE IN PHARMACEUTICAL FORMULATIONS BY RP-HPLC METHOD”. International Journal of Pharmaceutics and Drug Analysis 4 (3):105-11. https://www.ijpda.org/index.php/journal/article/view/208.