Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S000291490101863X
Heart Diseases	free resource	MedlinePlus Health Information	https://medlineplus.gov/heartdiseases.html
Full text from	free resource	Institutional Repository of University of Modena and Reggio Emilia (IRIS UNIMORE)	https://iris.unimore.it/retrieve/handle/11380/19369/159336/rispostaAHJ.pdf