- Correspondence to Dr Joseph Watine, Laboratoire de biologie polyvalente, Hôpital de la Chartreuse, 12200 Villefranche-de-Rouergue, France;
- Received August 18, 2010
- Revised November 1, 2010
- Accepted November 5, 2010
- First published December 3, 2010.
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