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. Author manuscript; available in PMC: 2011 Oct 28.
Published in final edited form as: Jt Comm J Qual Patient Saf. 2009 Feb;35(2):93–99. doi: 10.1016/s1553-7250(09)35012-6

Figure 1.

Figure 1

The pattern of enrollment during the nine-month DB2 enrollment period is shown. AHA, American Hospital Association; ACC, American College of Cardiology.