Serotonergic disturbances in autistic disorder: L-5-hydroxytryptophan administration to autistic youngsters increases the blood concentrations of serotonin in patients but not in controls
Keywords: Autistic disorder; Serotonin; L-5-OH-tryptophan; Tryptophan; 5-hydroxy-indoleacetic acid (5-HIAA); Aromatic L-amino acid decarboxylase (AADC);