%0 Journal Article %T The Influence of Buffer Species and Strength on Diltiazem HC1 Release from Beads Coated with the Aqueous Cationic Polymer Dispersions, Eudragit RS, RL 30D %A Bodmeier, Roland %A Guo, Xiaodi %A Sarabia, Rafael %A Skultety, Paul %J Pharmaceutical Research %V 13 %N 1 %P 52-56 %@ 0724-8741 %D 2004-08-26 %I Kluwer Academic Publishers-Plenum Publishers %~ DeepDyve