Luoto, Johannes and Elmståhl, Sölve and Pistolesi, Massimo and Wollmer, Per and Paoletti, Matteo and Occhipinti, Maria-Elena and Pihlsgård, Mats, Emphysema Severity Index (ESI) Predicts Respiratory Death in a Large Swedish General Population. Available at SSRN: https://ssrn.com/abstract=4024831 or http://dx.doi.org/10.2139/ssrn.4024831
Assessment of emphysema severity by spirometry in smokers, ex smokers and in COPD