Table 4.

Measure of Impact and Data Dissemination

References	Number of citations found by Web of Science®’s Cited Reference Search (dates of publications citing each reference)
Sources with estimate derived from primary data
Gillum, RF (1989)(13)	197 (Jan 1990 – Nov 2009)
Escobedo, et al. (1996)(14)	59 (Apr 1997 – Sept 2009)
Zheng, et al. (2001)(17)	400 (Mar 2002 – Nov 2009)
Cobb, et al. (2002)(15)	161 (Dec 2002 – Nov 2009)
Chugh, et al. (2004)(16) Chugh, et al. (2008)(19)	74 (Jan 2005 – Nov 2009) 9 (Jun 2009 – Nov 2009)
Nichol, et al., (2008)(18)	67 (Sept 2008 – April 2010)
Sources with estimates not derived from primary data, but cited by the 2006 ACC/AHA/ESC Guidelines
Myerburg, et al. (1993)(2)	207 (Dec 1993 – Dec 2009)
AHA Heart Disease and Stroke (2004)(20)	Not available