Letter: Screening for cystic fibrosis.
D000418:Albumins; D003550:Cystic Fibrosis / Q000175:diagnosis*; D005189:False Positive Reactions; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000175:diagnosis*; D007785:Lactose; D008470:Meconium / Q000032:analysis; D011506:Proteins / Q000032:analysis; D013542:Sweat / Q000032:analysis
D000418:Albumins; D011506:Proteins; D007785:Lactose