@misc{miscb9f26171, title = {Optimization of the release profile of matrix systems . 1 - The influence of the rifampin and HPMC particle size}, author = {Lima, C. M. and Oliveira JĂșnior, A. M. and Soares, Ida Caramico}, year = {2001}, publisher = {Elsevier}, booktitle = {Congress of Pharmaceutical Sciences} }