[Laboratory tests for aromatic amino acid metabolism].
D006801:Humans; D008722:Methods; D010649:Phenylalanine / Q000097:blood*; D014364:Tryptophan / Q000097:blood*; D014443:Tyrosine / Q000097:blood*
D014443:Tyrosine; D010649:Phenylalanine; D014364:Tryptophan