title: Isolation of drugs and drug metabolites from biological fluids by use of salt-solvent pairs.
mesh_terms: D000818:Animals; D000927:Anticonvulsants / Q000032:analysis; D001463:Barbiturates / Q000032:analysis; D002247:Carbon Isotopes; D002250:Carbon Radioisotopes; D002254:Carbonates; D002849:Chromatography, Gas; D002852:Chromatography, Ion Exchange; D002855:Chromatography, Thin Layer; D003201:Computers; D005069:Evaluation Studies as Topic; D006801:Humans; D006863:Hydrogen-Ion Concentration; D013058:Mass Spectrometry; D008722:Methods; D008895:Milk, Human / Q000032:analysis; D004364:Pharmaceutical Preparations / Q000097:blood / Q000302:isolation & purification* / Q000652:urine; D000644:Quaternary Ammonium Compounds; D051381:Rats; D012997:Solvents
chemical_list: D000927:Anticonvulsants; D001463:Barbiturates; D002247:Carbon Isotopes; D002250:Carbon Radioisotopes; D002254:Carbonates; D004364:Pharmaceutical Preparations; D000644:Quaternary Ammonium Compounds; D012997:Solvents