Name	Info	Provider	Link
	free resource	BioMed Central	https://cardiothoracicsurgery.biomedcentral.com/articles/10.1186/s13019-021-01412-2
Heart Failure	free resource	MedlinePlus Health Information	https://medlineplus.gov/heartfailure.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/33740997/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/33740997
	free resource	scite Smart Citations	https://scite.ai/reports/33740997