title: [The determination of ammonia in the urine of premature and full-term newborns: comparison of the formal titration and the enzymic NH4+ determination (author's transl)].
mesh_terms: D000596:Amino Acids / Q000652:urine; D000641:Ammonia / Q000652:urine*; D002021:Buffers; D002794:Choline / Q000652:urine; D005557:Formaldehyde; D005969:Glutamate Dehydrogenase; D005990:Glycerol; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007231:Infant, Newborn; D007234:Infant, Premature; D007656:Ketoglutaric Acids; D008722:Methods; D009243:NAD; D010783:Photometry / Q000379:methods; D000644:Quaternary Ammonium Compounds; D014508:Urea / Q000652:urine; D014527:Uric Acid / Q000652:urine
chemical_list: D000596:Amino Acids; D002021:Buffers; D007656:Ketoglutaric Acids; D000644:Quaternary Ammonium Compounds; D009243:NAD; D005557:Formaldehyde; D014527:Uric Acid; D000641:Ammonia; D014508:Urea; D005969:Glutamate Dehydrogenase; D002794:Choline; D005990:Glycerol
vernacular_title: Zur Methodik der Ammoniakbestimmung im Urin von Früh- und Neugeborenen: Vergleich zwischen Formoltitration und enzymatischer NH4+-Bestimmung