Two-dose phenylalanine tolerance test for detection of phenylketonuric heterozygotes. Value of tyrosine responses.
D004194:Disease; D004200:Diseases in Twins; D004361:Drug Tolerance; D006579:Heterozygote; D006801:Humans; D007108:Immune Tolerance; D010649:Phenylalanine; D010661:Phenylketonurias / Q000175:diagnosis*; D014427:Twins; D014443:Tyrosine / Q000097:blood*
D014443:Tyrosine; D010649:Phenylalanine
PHENYLPYRUVIC OLIGOPHRENIA/diagnosis; TWINS/diseases; TYROSINE/blood