title: The urinary excretion of homovanillic acid and 4-hydroxy 3-methoxy mandelic acid in the elderly demented: a preliminary communication.
mesh_terms: D000368:Aged; D000818:Animals; D003704:Dementia / Q000378:metabolism / Q000652:urine*; D006801:Humans; D008333:Mandelic Acids / Q000652:urine*; D008722:Methods; D010648:Phenylacetates / Q000652:urine* / Q000662:veterinary
chemical_list: D008333:Mandelic Acids; D010648:Phenylacetates