Name	Info	Provider	Link
Vaccines	free resource	MedlinePlus Health Information	https://medlineplus.gov/vaccines.html
	subscription/membership/fee required	Taylor & Francis	https://www.tandfonline.com/doi/full/10.1586/14760584.2015.966085
Cited by Patents in	free resource	The Lens - Patent Citations Database	https://www.lens.org/lens/search/patent/list?q=reference_cited.nlp.ids.pmid:25308798
	free resource	scite Smart Citations	https://scite.ai/reports/25308798