Name	Info	Provider	Link
COPD	free resource	MedlinePlus Health Information	https://medlineplus.gov/copd.html
	free resource	Georg Thieme Verlag Stuttgart, New York	http://www.thieme-connect.com/DOI/DOI?10.1055/s-0034-1365056
	free resource	scite Smart Citations	https://scite.ai/reports/24615667