title: Nonprotein nitrogenous metabolites in saliva in Down's syndrome.
mesh_terms: D001774:Blood Chemical Analysis; D001806:Blood Urea Nitrogen; D003404:Creatinine / Q000097:blood; D004314:Down Syndrome / Q000378:metabolism*; D006801:Humans; D006863:Hydrogen-Ion Concentration; D012463:Saliva / Q000032:analysis* / Q000378:metabolism*; D014527:Uric Acid / Q000097:blood
chemical_list: D014527:Uric Acid; D003404:Creatinine