Roberts, S A Phenylalanine and tyrosine metabolism in neonates receiving parenteral nutrition differing in pattern of amino acids. [electronic resource] - Pediatric research Dec 1998 - 907-14 p. digital Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 0031-3998 Standard No.: 10.1203/00006450-199812000-00014 doi Subjects--Topical Terms: Amino Acids--administration & dosageCarbon IsotopesDeuteriumFemaleHumansHydroxylationInfant Food--analysisInfant Nutritional Physiological PhenomenaInfant, NewbornKineticsMaleNutritional RequirementsOxidation-ReductionParenteral Nutrition, TotalPhenylalanine--administration & dosageTyrosine--administration & dosage