title: [Retention behavior of drugs and metabolites in aqueous two phase-liquid chromatography system employing silica gel support].
mesh_terms: D000700:Analgesics / Q000302:isolation & purification*; D000927:Anticonvulsants / Q000302:isolation & purification*; D002853:Chromatography, Liquid / Q000379:methods*; D005782:Gels; D006993:Hypnotics and Sedatives / Q000302:isolation & purification*; D012822:Silicon Dioxide; D014867:Water
chemical_list: D000700:Analgesics; D000927:Anticonvulsants; D005782:Gels; D006993:Hypnotics and Sedatives; D014867:Water; D012822:Silicon Dioxide