Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0046-8177(11)00491-6
Lung Diseases	free resource	MedlinePlus Health Information	https://medlineplus.gov/lungdiseases.html
	subscription/membership/fee required	ClinicalKey	https://www.clinicalkey.com/content/playBy/pii?v=S0046-8177(11)00491-6