Name	Info	Provider	Link
	free resource	Atypon	https://www.ahajournals.org/doi/abs/10.1161/CIRCULATIONAHA.121.056301?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub 0pubmed
	subscription/membership/fee required	Ingenta plc	https://www.ingentaconnect.com/openurl?genre=article&issn=&volume=144&issue=25&spage=1995&aulast=Schmidt
Atrial Fibrillation	free resource	MedlinePlus Health Information	https://medlineplus.gov/atrialfibrillation.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=34814700.ui