[R. Kinget, W. Kalala, L. Vervoort and G. van den Mooter, Colonic drug targeting, J. Drug Target. 6 (1998) 129-149; DOI: 10.3109/10611869808997888.10.3109/10611869808997888]Search in Google Scholar
[P.J. Watts and L. Lllum, Colonic drug delivery, Drug Dev. Ind. Pharm. 23 (1997) 893-913; DOI: 10.3109/03639049709148695.10.3109/03639049709148695]Search in Google Scholar
[L. Yang, J.S. Chu and J.A. Fix, Colon-specific drug delivery: new approaches and in vitro/in vivo evaluation, Int. J. Pharm. 235 (2002) 1-15; DOI: 10.1016/S0378-5173(02)00004-2.10.1016/S0378-5173(02)00004-2]Search in Google Scholar
[M. Halsas, J. Hietala, P. Veski, H. Jurjenson and M. Marvola, Morning versus evening dosing of ibuprofen using conventional and time controlled release formulations, Int. J. Pharm. 189 (1999) 179-185; DOI: 10.1016/S0378-5173(99)00250-1.10.1016/S0378-5173(99)00250-1]Search in Google Scholar
[M. Halsas, T. Penttinen, P. Veski, H. Jurjenson and M. Marvola, Time controlled release pseudo-ephedrine tablets: bioavailability and in vitro/in vivo correlations, Pharmazie 56 (2001) 718-723.]Search in Google Scholar
[S.C. Werch, R.W. Jung, H. Plenk, A.A. Day and A.C. Ivy, Pectin and galacturonic acid and the intestinal pathogens, Am. J. Dis. Child. 63 (1942) 839-846.]Search in Google Scholar
[Z. Wakerly, J.T. Fell, D. Attwood and D.A. Parkins, In vitro evaluation of pectin-based colonic drug delivery systems, Int. J. Pharm. 129 (1996) 73-77; DOI: 10.1016/0378-5173(95)04251-2.10.1016/0378-5173(95)04251-2]Search in Google Scholar
[M. Ashford, J. Fell, D. Attwood, H. Sharma and P. Woodhead, An evaluation of pectin as a carrier for drug targeting to the colon, J. Control. Rel. 26 (1993) 213-220; DOI: 10.1016/0168-3659 (93)90188-B.]Search in Google Scholar
[M. Ashford, J. Fell, D. Attwood, H. Sharma and P. Woodhead, Studies on pectin formulations for colonic drug delivery, J. Control. Rel. 30 (1994) 225-232; DOI: 10.1016/0168-3659(94)90028-0.10.1016/0168-3659(94)90028-0]Search in Google Scholar
[P. Barthelemy, J.P. Laforet, N. Farah and J. Joachim, Compritolŕ 888 ATO: an innovative hot-melt coating agent for prolonged-release drug formations, Eur. J. Pharm. Biopharm. 47 (1999) 87-90; DOI: 10.1016/S0939-6411(98)00088-5.10.1016/S0939-6411(98)00088-5]Search in Google Scholar
[J. Jung, J. Lee and M. Kim, Colon-specific prodrugs of 5-aminosalicylic acid: synthesis and in vitro/in vivo properties of acidic amino acid derivatives of 5-aminosalicylic acid, J. Pharm. Sci. 90 (2001) 1767-1775; DOI: 10.1002/jps.1126.10.1002/jps.112611745734]Search in Google Scholar
[G.E.P. Box and D.W. Behnken, Some new three level designs for the study of quantitative variables, Technometrics 2 (1960) 455-475.10.1080/00401706.1960.10489912]Search in Google Scholar
[O.A. Odeku and J.T. Fell, In-vitro evaluation of khaya and albizia gums as compression coatings for drug targeting to the colon, J. Pharm. Pharmacol. 57 (2005) 1-6; DOI: 10.1211/0022357055362.10.1211/002235705536215720778]Search in Google Scholar
[Y.S.R. Krishnaiah, S. Satyanarayana, Y.V. Rama Prasad and S.N. Rao, Evaluation of guar gum as a compression coat for drug targeting to colon, Int. J. Pharm. 171 (1998) 137-146; DOI: 10.1016/S0378-5173(98)00172-0.10.1016/S0378-5173(98)00172-0]Search in Google Scholar
[Y.S.R. Krishnaiah, P.R.B. Reddy, V. Satynarayan and R.S. Karthikeyan, Studies on the development of oral colon targeted drug delivery systems for metronidazole in treatment of amoebiasis, Int. J. Pharm. 236 (2002) 43-55; DOI: 10.1016/S0378-5173(02)00006-6.10.1016/S0378-5173(02)00006-6]Search in Google Scholar
[Y.V.R. Prasad and Y.S.R. Krishnaiah, In-vitro evaluation of guar gum as a carrier for colon specific drug delivery, J. Control. Rel. 51 (1998) 281-287; DOI: 10.1016/S0168-3659(97)00181-8.10.1016/S0168-3659(97)00181-8]Search in Google Scholar
[United States Pharmacopoeia 24, National Formulary 19, USP Convention, Rockwille 2000.]Search in Google Scholar