Dried blood spot screening for cystic fibrosis.
D000367:Age Factors; D001800:Blood Specimen Collection; D004796:Clinical Enzyme Tests / Q000379:methods; D003550:Cystic Fibrosis / Q000175:diagnosis*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D014357:Trypsin / Q000097:blood*
D014357:Trypsin