Name	Info	Provider	Link
	subscription/membership/fee required	Ingenta plc	https://www.ingentaconnect.com/openurl?genre=article&issn=&volume=29&issue=11&spage=925&aulast=Molina-Ramírez
Vaccines	free resource	MedlinePlus Health Information	https://medlineplus.gov/vaccines.html
	subscription/membership/fee required	Bentham Science Publishers Ltd.	https://www.eurekaselect.com/208471/article