1. Chronic obstructive pulmonary disease (COPD) n.d. https://www.who.int/news-room/fact-sheets/detail/chronic-obstructive-pulmonary-disease-(copd) (accessed August 6, 2023).
2. COPD Trends Brief - Mortality | American Lung Association n.d. https://www.lung.org/research/trends-in-lung-disease/copd-trends-brief/copd-mortality (accessed August 6, 2023).
3. Household air pollution n.d. https://www.who.int/news-room/fact-sheets/detail/household-air-pollution-and-health (accessed August 7, 2023).
4. Pathophysiology, therapeutic targets, and future therapeutic alternatives in COPD: focus on the importance of the cholinergic system;Gomes;Biomolecules,2023