- Correspondence to Dr Tony Fryer, Department of Clinical Biochemistry, Keele University Institute of Science and Technology in Medicine, University Hospital of North Staffordshire NHS Trust, Hartshill, Stoke-on-Trent, ST4 7PX, UK;
- Received May 24, 2012
- Revised September 3, 2012
- Accepted September 4, 2012
- First published September 26, 2012.
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