Name	Info	Provider	Link
Heart Attack	free resource	MedlinePlus Health Information	https://medlineplus.gov/heartattack.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=31119724.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/31119724/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/31119724
	free resource	Wiley	https://onlinelibrary.wiley.com/doi/10.1111/cei.13330
	free resource	Silverchair Information Systems	https://academic.oup.com/cei/article-lookup/doi/10.1111/cei.13330