Name	Info	Provider	Link
	free resource	BioMed Central	https://cardiothoracicsurgery.biomedcentral.com/articles/10.1186/s13019-021-01391-4
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/33478510/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/33478510
	free resource	scite Smart Citations	https://scite.ai/reports/33478510