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Logo of nihpaAbout Author manuscriptsSubmit a manuscriptHHS Public Access; Author Manuscript; Accepted for publication in peer reviewed journal;
 
From:
Am Heart J. Author manuscript; available in PMC 2010 July 22.
Published in final edited form as:
Am Heart J. 2008 October; 156(4): 689–697.

Figure 1

An external file that holds a picture, illustration, etc.
Object name is nihms-73603-f0002.jpg

Recruitment Flow Diagram