50 years ago in the Journal of Pediatrics: identification of heterozygotes with phenylketonuria on basis of blood tyrosine responses.
Department of Pediatrics, University of Chicago, Chicago, Illinois, USA.
Lainie Friedman
LF
Ross
D006579:Heterozygote; D006801:Humans; D010661:Phenylketonurias / Q000175:diagnosis* / Q000235:genetics; D011296:Prenatal Diagnosis; D014443:Tyrosine / Q000097:blood*
D014443:Tyrosine