title: [Fluctuation of urinary polyamines in childhood].
mesh_terms: D000375:Aging / Q000652:urine*; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007231:Infant, Newborn / Q000652:urine*; D007234:Infant, Premature; D011073:Polyamines / Q000652:urine*
chemical_list: D011073:Polyamines