title: Urinary ammonium and pH in children.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D006801:Humans; D006859:Hydrogen / Q000652:urine; D006863:Hydrogen-Ion Concentration; D000644:Quaternary Ammonium Compounds / Q000652:urine*; D013997:Time Factors
chemical_list: D000644:Quaternary Ammonium Compounds; D006859:Hydrogen