title: Perspectives for ISTRY: aims and alternatives.
mesh_terms: D006801:Humans; D007211:Indoles / Q000652:urine; D008722:Methods; D010661:Phenylketonurias / Q000378:metabolism; D014364:Tryptophan / Q000378:metabolism*
chemical_list: D007211:Indoles; D014364:Tryptophan