title: Hydroxykynureninuria, a case report.
mesh_terms: D000592:Amino Acid Metabolism, Inborn Errors / Q000175:diagnosis*; D002675:Child, Preschool; D006801:Humans; D008607:Intellectual Disability / Q000150:complications; D007736:Kynurenic Acid / Q000652:urine*; D008297:Male; D014364:Tryptophan / Q000378:metabolism*
chemical_list: D014364:Tryptophan; D007736:Kynurenic Acid