title: Tryptophan depletion does not lower brain GABA levels in healthy volunteers.
authors.forename: S
authors.initials: S
authors.lastname: Selvaraj
authors.forename: M
authors.initials: M
authors.lastname: Wylezinska
authors.forename: J
authors.initials: J
authors.lastname: Evans
authors.forename: P
authors.initials: P
authors.lastname: Jezzard
authors.forename: P M
authors.initials: PM
authors.lastname: Matthews
authors.forename: P J
authors.initials: PJ
authors.lastname: Cowen
mesh_terms: D000328:Adult; D001923:Brain Chemistry; D018592:Cross-Over Studies; D004311:Double-Blind Method; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012701:Serotonin / Q000502:physiology*; D014364:Tryptophan / Q000378:metabolism*; D005680:gamma-Aminobutyric Acid / Q000032:analysis*
chemical_list: D012701:Serotonin; D005680:gamma-Aminobutyric Acid; D014364:Tryptophan