TY - RPRT TI - Formulation optimization for the nanoparticles-in-microsphere hybrid oral delivery system using factorial design. AU - Mayank D Bhavsar AU - Sandip B Tiwari AU - Mansoor M Amiji PY - 2005 DO - 10.1016/j.jconrel.2005.11.001 UR - https://pubmed.ncbi.nlm.nih.gov/16338017/ ID - 16338017 ER -