- Correspondence to Professor Márcia Guimarães da Silva, Department of Pathology, Botucatu Medical School, UNESP—Univ Estadual Paulista Botucatu, São Paulo 18618-970, Brazil;
- Received April 18, 2012
- Revised July 9, 2012
- Accepted August 19, 2012
- First published October 16, 2012.
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