Name	Info	Provider	Link
Arrhythmia	free resource	MedlinePlus Health Information	https://medlineplus.gov/arrhythmia.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=17977466.ui
	subscription/membership/fee required	Cambridge University Press	https://www.cambridge.org/core/product/identifier/S1047951107001424/type/journal_article
See the articles recommended by the Faculty of more than 8,000 leading experts in Biology and Medicine.	subscription/membership/fee required	H1 Connect	https://facultyopinions.com/pubmed/17977466