Name	Info	Provider	Link
	free resource	BioMed Central	https://bmcpulmmed.biomedcentral.com/articles/10.1186/s12890-021-01789-9
Collapsed Lung	free resource	MedlinePlus Health Information	https://medlineplus.gov/collapsedlung.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/34952578/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/34952578
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/CPTAC-68