Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0883-9441(21)00069-1
COVID-19 (Coronavirus Disease 2019)	free resource	MedlinePlus Health Information	https://medlineplus.gov/covid19coronavirusdisease2019.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=33957578.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/33957578/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/33957578
	subscription/membership/fee required	W.B. Saunders	http://journals.elsevierhealth.com/retrieve/pii/S0883-9441(21)00069-1
	free resource	scite Smart Citations	https://scite.ai/reports/33957578