Read full paper at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=48884#.VDcwJ1fHRK0 Author(s) Joao Dias de Toledo Arruda-Neto , Guacyara Tenorio Cavalcante , Guilherme de Paula Nogueira , Tulio Eduardo Rodrigues , Luiz Eduardo Correa Fonseca , Mitiko Saiki , Godofredo Camara Genofre Affiliation(s) Physics Institute, University of S?o Paulo, S?o Paulo, Brazil . Physics Institute, University of S?o Paulo, S?o Paulo, Brazil . School of Veterinary Medicine, S?o Paulo State University/UNESP, Ara?atuba, Brazil . Physics Institute, University of S?o Paulo, S?o Paulo, Brazil . School of Veterinary Medicine, S?o Paulo State University/UNESP, Ara?atuba, Brazil . Institute for Energy and Nuclear Research, IPEN/CNEN-SP, S?o Paulo, Brazil . Institute for Biomedical Sciences, University of S?o Paulo, ...
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