Name	Info	Provider	Link
Pacemakers and Implantable Defibrillators	free resource	MedlinePlus Health Information	https://medlineplus.gov/pacemakersandimplantabledefibrillators.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/34453529/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/34453529
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/europace/article-lookup/doi/10.1093/europace/euab178