W J Lin et al.
Journal of controlled release : official journal of the Controlled Release Society, 99(3), 415-421 (2004-09-29)
The aim of present work was to investigate the influence of plasticizer on the release of theophylline from microporous-controlled tablets. Three plasticizers, acetyltributyl citrate (ATBC), castor oil, and triacetin, were included in this study. These plasticizers reduced the crystallinity of