title: Separation of amino acids from untreated urine on thin layers of silica gel.
mesh_terms: D000596:Amino Acids / Q000652:urine*; D002850:Chromatography, Gel; D002855:Chromatography, Thin Layer / Q000379:methods*; D005782:Gels; D006801:Humans; D008722:Methods; D012822:Silicon Dioxide; D012997:Solvents
chemical_list: D000596:Amino Acids; D005782:Gels; D012997:Solvents; D012822:Silicon Dioxide