- Correspondence to Dr Okechukwu S Ogah, Division of Cardiovascular Medicine, Department of Medicine, University College Hospital, Ibadan PMB 5116, Nigeria; Ministry of Health, Nnamdi Azikiwe Secretariat, Umuahia, Abia State PMB 7215, Nigeria;
- Received October 18, 2012
- Revised April 18, 2013
- Accepted April 19, 2013
- First published May 24, 2013.
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