Hussain SMZ, Shiva J, Venkateswarlu G, Suthakaran D, Ghouse S. Formulation and Evaluation of Ritonavir Immediate Release Tablets by Hot Melt Extrusion Method: KEY WORDS: Ritonavir, HPMC, Ethyl cellulose, Copovidone immediate release tablets. J. Drug Delivery Ther. 2019;9(4-A):63-71. doi:10.22270/jddt.v9i4-A.3293