[A. A. Deshpande, C. T. Rhodes, N. H. Shah and A. W. Malick, Controlled-release drug delivery systems for prolonged gastric residence: an overview, Drug Dev. Ind. Pharm. 22 (1996) 531-539; DOI: 10.3109/03639049609063217.10.3109/03639049609063217]Search in Google Scholar
[B. N. Singh and K. H. Kim, Floating drug delivery systems: An approach to oral controlled drug delivery via gastric retention, J. Control. Release 63 (2000) 235-259; DOI: 10.1016/S0168-3659(99) 00204-7.]Search in Google Scholar
[E. A. Klausner, E. Lavy, M. Friedman and A. Hoffman, Expandable gastroretentive dosage forms, J. Control. Release 90 (2003) 143-162; DOI: 10.1016/S0168-3659(03)00203-7.10.1016/S0168-3659(03)00203-7]Search in Google Scholar
[A. J. Moes, Gastroretentive dosage forms, Crit. Rev. Ther. Drug Carrier Syst. 10 (1993) 143-195.]Search in Google Scholar
[S. S. Davis, A. F. Stockwell, M. J. Taylor, J. G. Hardy, D. R. Whalley, C. G. Wilson, H. Bechgaard and F. N. Christensen, The effect of density on the gastric emptying of single and multiple-unit dosage forms, Pharm. Res. 3 (1986) 208-213; DOI: 10.1023/A: 1016334629169.]Search in Google Scholar
[A. Rubinstein and D. R. Friend, Specific Delivery to the Gastrointestinal Tract, in Polymeric Site-Specific Pharmacotherapy (Ed. A. J. Domb), Wiley, Chichester 1994, pp. 283-285.]Search in Google Scholar
[M. Rosa, H. Zia and T. Rhodes, Dosing and testing in-vitro of a bioadhesive and floating drug delivery system for oral application, Int. J. Pharm. 105 (1994) 65-70; DOI: 10.1016/0378-5173(94)90236-4.10.1016/0378-5173(94)90236-4]Search in Google Scholar
[United States Pharmacopoeia 24, National Formulary 19, USP Convention, Rockville 2002.]Search in Google Scholar
[P. Costa and J. M. Sonsa Lbo, Modelling and comparison of dissolution profiles, Eur. J. Pharm. Sci. 13 (2001) 123-133; DOI: 10.1016/S0928-0987(01)00095-1.10.1016/S0928-0987(01)00095-1]Search in Google Scholar
[T. Higuchi, Rate of release of medicaments from ointment bases containing drugs in suspensions, Pharm. Sci. 50 (1961) 874-875.10.1002/jps.2600501018]Search in Google Scholar
[R. W. Korsmeyer, R. Gurny, E. Doelker, P. Buri and N. A. Peppas, Mechanisms of solute release from porous hydrophilic polymers, Int. J. Pharm. 15 (1983) 25-35; DOI: 10.1016/0378-5173(83) 90064-9.]Search in Google Scholar
[N. A. Peppas, Analysis of Fickian and non-Fickian drug release from polymers, Pharm. Acta Helv. 60 (1985) 110-111.]Search in Google Scholar
[C. S. L. Chiao and J. R. Robinson, Sustained-release Drug Delivery Systems, in Remington: The Science and Practice of Pharmacy (Ed. A. R. Gennaro), 19th ed., Vol. 2, Lippincott, Williams and Wilkins, Philadelphia 2000, pp. 1660-1675.]Search in Google Scholar
[J. W. Moore and H. H. Flanner, Mathematical comparison of dissolution profiles, Pharm. Tech. 20 (1996) 64-74.]Search in Google Scholar
[K. A. Khan, The concept of dissolution efficiency, J. Pharm. Pharmacol. 27 (1975) 48-49.10.1111/j.2042-7158.1975.tb09378.x]Search in Google Scholar
[L. Whitehead, J. T. Fell, J. H. Collett, H. L. Sharma and A. M. Smith, Floating dosage forms: an in vivo study demonstrating prolonged gastric retention, J. Control. Release 55 (1998) 3-12; DOI: 10.1016/S0168-3659(97)00266-6.10.1016/S0168-3659(97)00266-6]Search in Google Scholar