Name	Info	Provider	Link
	free resource	BioMed Central	https://bmcpulmmed.biomedcentral.com/articles/10.1186/s12890-015-0034-y
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/25927225/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/25927225
	free resource	scite Smart Citations	https://scite.ai/reports/25927225