Name	Info	Provider	Link
	free resource	BioMed Central	https://cardiothoracicsurgery.biomedcentral.com/articles/10.1186/s13019-020-01322-9
Heart Valve Diseases	free resource	MedlinePlus Health Information	https://medlineplus.gov/heartvalvediseases.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/33008467/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/33008467