Article in The Boston Globe, Deaths lead to scrutiny of 2 heart units, State to watch MGH, Worcester hospital:
http://www.boston.com/news/local/massachusetts/articles/2009/02/09/death...

The direct link to the Fiscal Year 2007 Percutaneous Coronary Interventions report referred to in the article is available at
http://www.massdac.org/sites/default/files/reports/PCI FY2007.pdf