Extended release of a large amount of highly water-soluble diltiazem hydrochloride by utilizing counter polymer in polyethylene oxides (PEO)/polyethylene glycol (PEG) matrix tablets

Hiroyuki Kojima, Keiichi Yoshihara, Toyohiro Sawada, Hiromu Kondo, Kazuhiro Sako

European Journal of Pharmaceutics and Biopharmaceutics · 2008 · 81 citations · 21 references

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