Improved extraction of valproic acid from serum before chromatography.
D002849:Chromatography, Gas / Q000379:methods; D004655:Emulsions; D005013:Ethosuximide / Q000097:blood; D006801:Humans; D014635:Valproic Acid / Q000097:blood* / Q000302:isolation & purification
D004655:Emulsions; D005013:Ethosuximide; D014635:Valproic Acid