Heathcote, J G An improved technique for the analysis of amino acids and related compounds on thin layers of cellulose. V. The quantitative determination of urea in urine. [electronic resource] - Journal of chromatography Aug 1971 - 103-9 p. digital Publication Type: Journal Article Subjects--Topical Terms: Amino Acid Metabolism, Inborn ErrorsCelluloseChromatography, Thin LayerDensitometryHumansIndicators and ReagentsUrea--urine