Chronic heart failure and micronutrients
Klaus K. A. Witte, MB, MRCPa,
Andrew L. Clark, MA, MD, MRCPa and
John G. F. Cleland, MD, FRCP, FESC, FACCa
a Castle Hill Hospital, University of Hull, Kingston upon Hull, United Kingdom

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Figure 1 Homocysteine metabolism. Homocysteine metabolism is dependent upon folate and vitamins B6 and B12, and deficiencies of any of these may result in an increase in homocysteine.
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