Media type: E-Article Title: Have courage in using nasal potential difference for diagnostic decisions and clinical research Contributor: Naehrlich, Lutz Published: Elsevier BV, 2020 Published in: Journal of Cystic Fibrosis, 19 (2020) 4, Seite 507-508 Language: English DOI: 10.1016/j.jcf.2020.06.008 ISSN: 1569-1993 Origination: Footnote: Access State: Open Access