title: Tyrosine deficiency and retardation.
mesh_terms: D002648:Child; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008607:Intellectual Disability / Q000209:etiology*; D008431:Maternal-Fetal Exchange; D010661:Phenylketonurias / Q000150:complications*; D011247:Pregnancy; D013974:Thyroxine / Q000172:deficiency*
chemical_list: D013974:Thyroxine