Heart disease risk factors predict erectile dysfunction 25 years later
The Rancho Bernardo Study
Maple M. Fung, MD*,
Richele Bettencourt, MS and
Elizabeth Barrett-Connor, MD ,*
* Department of Internal Medicine, University of California, San Diego, USA
Division of Epidemiology, Department of Family and Preventive Medicine, University of California San Diego, La Jolla, California, USA

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Figure 1 Flow chart of study participants. ED = erectile dysfunction.
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