Name	Info	Provider	Link
	free resource	Hindawi Limited	https://doi.org/10.1155/2015/712721
Heart Surgery	free resource	MedlinePlus Health Information	https://medlineplus.gov/heartsurgery.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/26161409/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/26161409
	free resource	scite Smart Citations	https://scite.ai/reports/26161409