title: Neonatal screening for phenylketonuria. I. Effectiveness.
mesh_terms: D000367:Age Factors; D005188:False Negative Reactions; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000175:diagnosis*; D008297:Male; D008403:Mass Screening; D008913:Minority Groups; D009864:Ontario; D010661:Phenylketonurias / Q000175:diagnosis*; D011792:Quebec; D012737:Sex Factors; D011795:Surveys and Questionnaires; D013997:Time Factors; D014443:Tyrosine / Q000097:blood; D014481:United States
chemical_list: D014443:Tyrosine