1. Davis PB, Drumm M, Konstan MW (1996) Cystic fibrosis. Am J Respir Crit Care Med 154:1229–1256
2. National Newborn Screening and Genetics Resource Center (2003) National newborn screening report 2000. National Newborn Screening and Genetics Resource Center, San Antonio, TX
3. Andersen D (1938) Cystic fibrosis of the pandrease and its relation to celiac disease: a clinical and pathological study. Am J Dis Child 56:344–399
4. Di Sant'Agnese P (2001) Experiences of a pioneer researcher: discovery of the sweat electrolyte defect and the early medical history of cystic fibrosis. In: Doershuk C (ed) Cystic fibrosis in the 20th century. People, events, and progress. AM, Cleveland, OH
5. Gibson LE, Cooke RE (1959) A test for concentration of electrolytes in sweat in cystic fibrosis of the pancreas utilizing pilocarpine by iontophoresis. Pediatrics 23:545–549