title: Current concepts: I. Liquid chromatography with pre-column sample enrichment and electrochemical detection. Regional determination of serotonin and 5-hydroxyindoleacetic acid in brain tissue.
mesh_terms: D000818:Animals; D001923:Brain Chemistry; D002853:Chromatography, Liquid / Q000379:methods*; D004563:Electrochemistry; D006897:Hydroxyindoleacetic Acid / Q000032:analysis*; D051381:Rats; D012701:Serotonin / Q000032:analysis*; D012756:Sheep / Q000378:metabolism; D014364:Tryptophan / Q000032:analysis
chemical_list: D012701:Serotonin; D006897:Hydroxyindoleacetic Acid; D014364:Tryptophan