Serum phenylalanine and tyrosine levels in the newborn infant.
D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D010649:Phenylalanine; D014443:Tyrosine
D014443:Tyrosine; D010649:Phenylalanine
INFANT, NEWBORN; PHENYLALANINE; TYROSINE