Name	Info	Provider	Link
	free resource	BioMed Central	https://cardiab.biomedcentral.com/articles/10.1186/s12933-018-0780-2
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/30326902/
Full Text at the institutional repository	free resource	Andalusian Health Repository	http://hdl.handle.net/10668/13093
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/30326902