title: Trisomy 18, cystic fibrosis, and blood immunoreactive trypsin.
mesh_terms: D000653:Amniotic Fluid / Q000201:enzymology; D002902:Chromosomes, Human, 16-18; D003550:Cystic Fibrosis / Q000175:diagnosis*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D014314:Trisomy; D014357:Trypsin / Q000097:blood*; D005723:gamma-Glutamyltransferase / Q000378:metabolism
chemical_list: D005723:gamma-Glutamyltransferase; D014357:Trypsin