TY - RPRT TI - Optimization of sustained-release tablet formulations: a four-component mixture experiment. AU - M Hariharan AU - V Gupta AU - J C Price PY - 1997 DO - 10.3109/10837459709022635 UR - https://pubmed.ncbi.nlm.nih.gov/9552465/ ID - 9552465 ER -