1. Does that child really have cystic fibrosis?;Smalley, C.A.; Addy, D.P.; Anderson, C.M.;Lancet,1978
2. Diagnostic importance of changes in circulating concentrations of immunoreactive trypsin;Elias, E.; Redshaw, M.; Wood, T.;Lancet,1977
3. Serum trypsin concentrations in diabetes mellitus;Dandona, P.; Elias, E.; Beckett, A.G.;Br Med J,1978
4. Dried blood spot screening for cystic fibrosis in the newborn;Crossley, JR, Elliott; RB, Smith; P.A.;Lancet,1979
5. Cystic fibrosis;di Sant' Agnese PA,1988