Name	Info	Provider	Link
COVID-19 Vaccines	free resource	MedlinePlus Health Information	https://medlineplus.gov/covid19vaccines.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=33739374.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/33739374/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/33739374
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/CPTAC-438
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:33739374
	free resource	scite Smart Citations	https://scite.ai/reports/33739374
	subscription/membership/fee required	Silverchair Information Systems	https://jamanetwork.com/journals/jama/fullarticle/10.1001/jama.2021.4388