Resource Type ECFS Guideline References Journal of Cystic Fibrosis Volume 10 (2011) S53-S66 Document Available as a free download here Keywords clinical diagnostic procedures Europe CFTR bioassays nasal epithelium Nasal potential difference measurements Date Wednesday, June 1, 2011 Featured resource article Yes Resource - Guideline Type EuroCareCF - Workpackage 3 - Coordination of Clinical Research