Name	Info	Provider	Link
	subscription/membership/fee required	S. Karger AG, Basel, Switzerland	https://doi.org/10.1159/000475523
Pacemakers and Implantable Defibrillators	free resource	MedlinePlus Health Information	https://medlineplus.gov/pacemakersandimplantabledefibrillators.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=28614834.ui
	free resource	scite Smart Citations	https://scite.ai/reports/28614834