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/22592731/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/22592731
	subscription/membership/fee required	Wiley	https://doi.org/10.1002/14651858.CD008523.pub2