Green, M R Cystic fibrosis identified by neonatal screening: incidence, genotype, and early natural history. [electronic resource] - Archives of disease in childhood Mar 1994 - 252 p. digital Publication Type: Comment; Letter ISSN: 1468-2044 Standard No.: 10.1136/adc.70.3.252 doi Subjects--Topical Terms: Cystic Fibrosis--diagnosisHumansInfant, NewbornNeonatal Screening--methodsTrypsin--blood