The determination of picogram levels of 5-HT in biological fluids.
D000818:Animals; D001923:Brain Chemistry; D002415:Cats; D002421:Caudate Nucleus / Q000032:analysis; D002850:Chromatography, Gel / Q000379:methods; D008832:Microchemistry; D012701:Serotonin / Q000032:analysis* / Q000134:cerebrospinal fluid
D012701:Serotonin