Name	Info	Provider	Link
	free resource	MDPI	https://www.mdpi.com/resolver?pii=VM/OJS/J/66446
Collapsed Lung	free resource	MedlinePlus Health Information	https://medlineplus.gov/collapsedlung.html
CT Scans	free resource	MedlinePlus Consumer Health Information	https://medlineplus.gov/ctscans.html
	free resource	Via Medica Medical Publishers	https://journals.viamedica.pl/advances_in_respiratory_medicine/article/view/66446