title: Two tier screen for cystic fibrosis.
mesh_terms: D003550:Cystic Fibrosis / Q000517:prevention & control*; D005243:Feces / Q000032:analysis; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008470:Meconium; D011247:Pregnancy; D014357:Trypsin / Q000097:blood*
chemical_list: D014357:Trypsin