CHINER, Eusebi; FERNÁNDEZ MARTÍNEZ, Paula; JAIME SIGNES-COSTA; SANCHO-CHUST, José Norberto; BOLUDA, Elena; PASTOR, Esther; BOIRA, Ignacio. Early alteration of single-breath nitrogen washout (ΔN₂/L) in smokers with preserved spirometry: Association with smoking burden. Multidisciplinary Respiratory Medicine, [S. l.], v. 21, p. 1102, 2026. DOI: 10.5826/mrm.2026.1102. Disponível em: https://mrmjournal.org/index.php/mrm/article/view/1102. Acesso em: 4 jun. 2026.