Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0753-3322(17)31407-5
Pneumonia	free resource	MedlinePlus Health Information	https://medlineplus.gov/pneumonia.html
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:28605874
	free resource	scite Smart Citations	https://scite.ai/reports/28605874