Tortolani, G The separation of purine and pyrimidine bases and nucleosides by thin-layer chromatography on Sephadex-cellulose and Sephadex-silica gel layers. [electronic resource] - Journal of chromatography Jul 1972 - 182-6 p. digital Publication Type: Journal Article Standard No.: 10.1016/s0021-9673(01)91078-7 doi Subjects--Topical Terms: CelluloseChromatography, Thin LayerGelsIon Exchange ResinsMethodsNucleosides--isolation & purificationPurines--isolation & purificationPyrimidines--isolation & purificationSilicon Dioxide