2Venna RK, Krishna DM, Garg S. Formulation aspects in the development of osmotically controlled oral drug delivery systems[J]. J Control Systems, 2002, 79(1 - 3) :7 -27.
3Verma RK, Mishra B, Garg S. Osmotically controlled oral drug delivery[J]. Drug Dev Ind Pharm, 2000, 26(7):695 - 708.
4Zentner GM, Rork GS, Himmelstein KJ. The controlled porosity osmotic pump[J]. J Control Release, 1985, 1 (4) :269 - 282.
5Zenmer GM, Rork GS, Himmelstein KJ. Osmotic flow through controlled porosity films: an approach to delivery of water soluble compotmds[J]. J Control Release, 1985, 1(3) :217 - 229.
6Prabakaran D, Singh P, Kanaujia P, et al. Effect of hydrophilic polymers on the release of dihiazem hydrochloride from elementary osmotic pumps[J]. Int J Pharm, 2003,259(1/2) : 173 - 179.
7Lu EX, Jiang ZQ, Zhang QZ, et al. A water-insoluble drug monolithic osmotic tablet system utilizing gum arabic as an osmotic, suspending and expanding agent [ J]. J Control Release, 2003, 92(3):375- 382.
8Li XD, Pan WS, Nie SF, et al. Studies on controlled release effervescent osmotic pump tablets from Traditional Chinese Medicine Compound Recipe[J]. J Control Release,2004, 96(3) :359 - 367.
9Jao Mr. Therapy delayed[P]. USA, 1993, 5252338.
10Makhija SN, Vavia PR. Controlled porosity osmotic pumpbased controlled release systems of pseudoephedrine. T .Cellulose acetate as a semipermeable membrane[J]. J Control Release, 2003, 89(1):5-18.