title: Use of radioimmunoassay for serum trypsin in cystic fibrosis.
mesh_terms: D004796:Clinical Enzyme Tests; D003550:Cystic Fibrosis / Q000175:diagnosis*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D011863:Radioimmunoassay; D014357:Trypsin / Q000097:blood*
chemical_list: D014357:Trypsin