5Zhang J, Li XS, Zhang WD. The advance in studies on chemical component and pharmacology Erigemn breviscapns [J]. J Pharm Pract, 2002,20:103.
6.中国药典一部[S].,2000年版.240.
7Alderman DA.A review of cellulose ethers in hydrophilic matrices for oral controlled-release dosage forms[J].Int J Pharm Tech Prod Manufact,1984,5(3):1.
8Ritger PL,Peppas NA.A simple equstion description of solute release Ⅰ fickian,and non-fickian release from non-swellable devices in the form of slabs,spheres,cylinders or discs[J].J Control Rel,1987,5(1):23.
9Moore JW,Flanner HH.Mathermatical comparison of dissolution profiles[J].Pharm Tech,1996,20(6):64.
10Beijing Municipal Health Bureau. Drug Specifications Promulgated by Beijing ( 1996 edit) ( 北京市药品标准 ) [ S]. Seijing:Chemical Industry Publishing Company, 1996:252-256.
