Name	Info	Provider	Link
Vaccines	free resource	MedlinePlus Health Information	https://medlineplus.gov/vaccines.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/29255080/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/29255080
	free resource	scite Smart Citations	https://scite.ai/reports/29255080
	subscription/membership/fee required	Silverchair Information Systems	https://publications.aap.org/pediatrics/article-lookup/doi/10.1542/peds.2017-2364