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Authors
de Sá Ferreira, Elza Maria
Soares, Luis Eduardo Silva
Antunes, Héliton Spíndola
Uemura, Sofia Takeda
da Silva Barbosa, Patrícia
Salmon, Hélio Augusto Jr
de Sant’Anna, Giselle Rodrigues
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Funding
Funding for this research was provided by:
FAPESP (2005/50811-9)
FAPESP (01/14384-8)
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Article History
Received: 7 May 2015
Accepted: 1 December 2015
First Online: 22 December 2015
Compliance with ethical standards
:
: All procedures involving human participants were performed in accordance with the ethical standards of the institutional and/or national research committee and the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This study was approved by the Ethics and Research Committee of the Cruzeiro do Sul University (Universidade Cruzeiro do Sul), São Paulo, Brazil, under Protocol No. 058/2010.
: This study was funded by Fundação de Amparo à Pesquisa do Estado de São Paulo, FAPESP, for the X-ray microfluorescence equipment (Grant no. 2005/50,811–9) and FT-Raman spectroscopy system (Grant no. 01/14,384–8).
: The authors declare that they have no competing interests.
: Informed consent was obtained from all individual participants included in the study.
