PMID: 15699697
Walkowiak J, Sands D, Nowakowska A, Piotrowski R, Zybert K, Herzig KH, Milanowski AEarly decline of pancreatic function in cystic fibrosis patients with class 1 or 2 CFTR mutations.
J Pediatr Gastroenterol Nutr. 2005 Feb;40(2):199-201., [PubMed]