Name	Info	Provider	Link
	free resource	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0749-0704(20)30045-2
Heart Surgery	free resource	MedlinePlus Health Information	https://medlineplus.gov/heartsurgery.html
	subscription/membership/fee required	W.B. Saunders	http://journals.elsevierhealth.com/retrieve/pii/S0749-0704(20)30045-2
	subscription/membership/fee required	ClinicalKey	https://www.clinicalkey.com/content/playBy/pii?v=S0749-0704(20)30045-2