el-Shibini, H A [Effect of caffeine and dihydroxyprophyltheophylline on the replacement rate of khellin]. [electronic resource] - Die Pharmazie Sep 1972 - 574-6 p. digital Publication Type: Journal Article ISSN: 0031-7144 Subjects--Topical Terms: CaffeineChemistry, PharmaceuticalHydrogen-Ion ConcentrationKhellinKineticsMathematicsTemperatureTheophyllineXanthines