Name	Info	Provider	Link
COPD	free resource	MedlinePlus Health Information	https://medlineplus.gov/copd.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24568285/
	subscription/membership/fee required	Taylor & Francis	https://www.tandfonline.com/doi/full/10.3109/15412555.2013.840570
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/24568285
	free resource	scite Smart Citations	https://scite.ai/reports/24568285