Grassi, Mario Theoretical and experimental study on theophylline release from stearic acid cylindrical delivery systems. [electronic resource] - Journal of controlled release : official journal of the Controlled Release Society Oct 2003 - 275-89 p. digital Publication Type: Journal Article ISSN: 0168-3659 Standard No.: 10.1016/s0168-3659(03)00330-4 doi Subjects--Topical Terms: AlgorithmsComputer SimulationDelayed-Action Preparations--chemistryDiffusionDrug Delivery Systems--instrumentationElectron Probe MicroanalysisKineticsLactose--chemistryModels, TheoreticalPolyethylene Glycols--chemistryPressureSolubilitySpectrophotometry, UltravioletStearic Acids--chemistryTheophylline--administration & dosage