1. Global Initiative for Chronic Obstructive Lung Disease; Global Strategy for the diagnosis, management and prevention of COPD. (2020 Report). Link: https://goldcopd.org/wp-content/uploads/2019/12/GOLD-2020-FINAL-ver1.2-03Dec19_WMV.pdf. Last access February 2020. Acessed in Mar 2020.
2. Aaron SD, Donaldson GC, Whitmore GA, Hurst JR, Ramsay T, Wedzicha JA. Time course and pattern of COPD exacerbation onset. Thorax 2012;67:238–43.
3. Baig MMA, Hashmat N, Adnan M, Rahat T. The relationship of dyspnea and disease severity with anthropometric indicators of malnutrition among patients with chronic obstructive pulmonary disease. Pak J Med Sci. 2018;34:1408–11.
4. Eriksson B, Backman H, Bossios A, Bjerg A, Hedman L, Lindberg A, et al. Only severe COPD is associated with being underweight: results from a population survey. ERJ Open Res. 2016;2:00051–2015.
5. Ter Beek L, van der Vaart H, Wempe JB, Krinjnen WP, Roodenburg JLN, van der Schans CP, et al. Coexistence of malnutrition, frailty, physical frailty and disability in patients with COPD starting a pulmonary rehabilitation program. Clin Nutr. 2019;19:33143–7.