Pornsak SriamornsakSatit PuttipipatkhachornSompol PrakongpanMahidol Univesity. Faculty of PharmacySilpakorn Univesity. Faculty of Pharmacy2010-03-232011-08-292021-07-202010-03-232011-08-292021-07-202010-03-231997https://repository.li.mahidol.ac.th/handle/20.500.14594/629794 p. ; 29 cm288314 bytesapplication/pdfengMahidol UniversityPectin Beads Pellets GelTheophyllineDelayed-Action PreparationsDrug Delivery SystemSustained release drug delivery system using calcium pectinate gel coated pelletsProceeding Book