@article {516381,
	title = {Registry studies for improving the quality of cardiovascular care: the role of variance components},
	journal = {Circ Cardiovasc Qual Outcomes},
	volume = {5},
	number = {5},
	year = {2012},
	month = {2012 Sep 01},
	pages = {e42-3},
	keywords = {Cardiac Output, Low, Coronary Artery Bypass, Female, Heart Diseases, Heart Failure, Hospitals, Humans, Male, Outcome and Process Assessment (Health Care), Percutaneous Coronary Intervention, Perioperative Care, Practice Patterns, Physicians{\textquoteright}, Quality Indicators, Health Care},
	issn = {1941-7705},
	doi = {10.1161/CIRCOUTCOMES.112.968792},
	author = {Normand, Sharon-Lise T.}
}
