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Cartage.org: Abnormal Circulation
Causes of heart failure, signs and characteristics of heart failure, pathologic conditions resulting in heart failure, and more are the topics addressed in this thorough resource.
Merck Sharp & Dohme Corp.
Merck Manual: Heart Failure
This site from the Merck Manual provides an in-depth article about heart failure provides some basic information about the heart, what exactly heart failure is, the two forms of heart failure, the different causes of both forms, the...