MD. SAIFUL ISLAM and REZA-UL JALIL 2010. Preparation and Characterization of Polyvinyl Acetate (Kollidon® Sr) Microspheres Containing Diclofenac Sodium: Effect of Different Cellulosic and Acrylic Polymers. International Journal of Pharma and Bio Sciences. 1, 2 (Jun. 2010), 1–13.