Name	Info	Provider	Link
	free resource	S. Karger AG, Basel, Switzerland	https://doi.org/10.1159/000493170
Pneumonia	free resource	MedlinePlus Health Information	https://medlineplus.gov/pneumonia.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/30176674/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/30176674
	free resource	scite Smart Citations	https://scite.ai/reports/30176674