IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-11-9-43611 Original Research Paper Formulation And In-Vitro Evaluation Of Novel Interpenetrating Polymer Network Microspheres For Controlled Release Of Ganciclovir Kumar Sahu Dr. Neelam Jain Dr. September 2022 11 9 01 02