1. Dried-blood spot screening for cystic fibrosis in the newborn;Crossley;Lancet,1979
2. Systematic neonatal screening for mucoviscidosis using an immunoreactive trypsin blood assay. Evaluation of 80,000 tests;Travert;Arch Fr Pédiatr,1983
3. Efficacy of statewide neonatal screening for cystic fibrosis by assay of trypsinogen concentrations;Hammond;N Engl J Med,1991
4. Newborn screening for cystic fibrosis is complicated by the age-related decline in immunoreactive trypsinogen levels;Rock;Pediatrics,1990
5. The application of DNA analysis in a population screening program for neonatal diagnosis of cystic fibrosis: comparison of screening protocols;Gregg;Am J Hum Genet,1993