Gelardi, Matteo, Giuseppe Porro, Vitaliano Quaranta, Nicola Quaranta, Michele Cassano, Giorgio Ciprandi, and *Italian Study Group on CRSwNP. 2020. “Clinical-Cytological-Grading and Phenotyping in Patients With Chronic Rhinosinusitis With Nasal Polyps: The Relevance in Clinical Practice”. Monaldi Archives for Chest Disease 90 (2). https://doi.org/10.4081/monaldi.2020.1277.