Pavan Kumar Potturi, and Y. Sudhakar. “Design and Evaluation of Entacapone Controlled Release Trilayer Matrix Tablets in the Management of parkinson’s Disease”. International Journal of Pharmacy and Analytical Research, vol. 5, no. 1, Feb. 2016, pp. 119-2, doi:10.61096/ijpar.v5.iss1.2016.119-129.