The Nose–Lung Axis in Chronic Obstructive Pulmonary Disease: An Emerging Interface for Clinical Endotyping, Biomarker Discovery, and Integrated Management. - Ambrosino, Pasquale; Marcuccio, Giuseppina; Candia, Claudio; Manzo, Fabio; Basile, Christian; Grassi, Guido; Maniscalco, Mauro (Diagnostics (2075-4418), 2026)