title: Historical perspective: tyrosine and maternal phenylketonuria, welcome news.
authors.forename: S P
authors.initials: SP
authors.lastname: Bessman
mesh_terms: D003677:Deficiency Diseases / Q000150:complications; D005260:Female; D006579:Heterozygote; D006720:Homozygote; D006801:Humans; D008607:Intellectual Disability / Q000209:etiology*; D007360:Intelligence; D010661:Phenylketonurias / Q000150:complications* / Q000235:genetics; D011247:Pregnancy; D014443:Tyrosine / Q000172:deficiency*
chemical_list: D014443:Tyrosine