Gualdi, Paola, Roberta Gazzini, Roberta Gazzini, Michele Schinella, Ermanno Baldo, Grazia Dinella, and Cristina Guerzoni. “Microbiological Surveillance in Patients With Cystic Fibrosis”. Microbiologia Medica 25, no. 2 (June 30, 2010). Accessed July 24, 2019. https://www.pagepressjournals.org/index.php/mm/article/view/mm.2010.2446.