3Katzhendler I, Azoury R. Crystalline properties of carbamazepine in sustained release hydrophilic matrix tablets based on hydroxypropyl methylcellulose [ J ]. J Controlled release, 1998,54:69 - 85.
4Marcos B, Ford J, Armstrong D, et al. Influence of pH on the release of propranolol hydrochloride from matrices containing hydroxypropyl- methylcellulose K4M and carbopol 974 [ J ]. J Pharm Sci, 1996, 85 (3) :330-336.
7Chueh H R, Zia H, Rhodse C T. Optimization of sotalol floating and bioadhesive extended release tablet formulations [ J ]. Drug Dev Ind Pharm, 1995,21 ( 15 ) : 1725 - 1747.
8Ganga S, Singh P N, Singh J. Formulation, in-vitro release and therapeutic effect of hydrogels based controlled release tablets of propranotol hydroehloride [ J]. Drug Dev Ind Pharm, 1992,18 ( 19 ) : 2049-- 2066.
