Name	Info	Provider	Link
Arrhythmia	free resource	MedlinePlus Health Information	https://medlineplus.gov/arrhythmia.html
Full text from	free resource	CORE	https://core.ac.uk/reader/54932806?utm_source=linkout
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/jcem/article-lookup/doi/10.1210/jcem.82.1.3675