1. Dried blood spot screening for cystic fibrosis in the newborn;Crossley, JR, Elliott; RB, Smith; P.A.;Lancet,1979
2. Screening for cystic fibrosis by dried blood spot trypsin assay;Heeley, A.F.; Heeley, M.E.; King, D.N.; Kuzemko, J.A.; Walsh, M.P.;Arch Dis Child,1982
3. Cystic fibrosis screening by dried blood spot trypsin assay: results in 75000 newborn infants;Wilcken, B.; Brown, A.R.D.; Urwin, R.; Brown, D.A.;J Pediatr,1983
4. Principles and practice of screening for disease;Wilson, J.M.G.; Jungner, G.,1968
5. Reduced morbidity in patients with cystic fibrosis detected by neonatal screening;Wilcken, B.; Chalmers, G.;Lancet,1985