García-Sanz, M. T., Pol-Balado, C., Abellás, C., Cánive-Gómez, J. C., Antón-Sanmartin, D., & González-Barcala, F. J. (2012). Factors associated with hospital admission in patients reaching the emergency department with COPD exacerbation. Multidisciplinary Respiratory Medicine, 7. https://doi.org/10.4081/mrm.2012.593