Name	Info	Provider	Link
Full text from AIR - Univ. Milan	free resource	Archivio Istituzionale della Ricerca Unimi	https://air.unimi.it/handle/2434/170481
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0003497599010899
Coronary Artery Bypass Surgery	free resource	MedlinePlus Health Information	https://medlineplus.gov/coronaryarterybypasssurgery.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=10800849.ui