Harvard Heart Letter

March 2009 references and further reading

Mitral valve prolapse

National Library of Medicine. Mitral valve prolapse resource page.

National Heart, Lung, and Blood Institute. Mitral valve prolapse.

Foods out of balance

Wells HF, Buzby JC. Dietary Assessment of Major Trends in U.S. Food Consumption, 1970-2005. USDA Economic Research Service: Washington DC, 2008.

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