Detection by phenylalanine tolerance tests of heterozygous carriers of phenylketonuria.
D004361:Drug Tolerance; D006579:Heterozygote; D006801:Humans; D007108:Immune Tolerance; D010649:Phenylalanine / Q000378:metabolism*; D010661:Phenylketonurias
D010649:Phenylalanine
PHENYLALANINE/metabolism