“Vibrating Mesh Nebulization of β 2 Agonists and Anticholinergics Via High-Flow Nasal Cannula During COPD Exacerbation: Case Series”. Respirar 14, no. 3 (August 12, 2022): 167–170. Accessed August 26, 2026. https://respirar.alatorax.org/index.php/respirar/article/view/120.