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Ana Carolina Mello Nóbrega, Bruno Roberto Silva Ferreira, Graciela Josué Oliveira, Kamila Maria Oliveira Sales, Armênio Aguiar Santos, Miguel Ângelo Nobre e Souza, Lúcia Libanês Bessa Campelo Braga, Luiz Ernesto de Almeida Troncon and Marcellus Henrique Loiola Ponte Souza*
* Corresponding author: Marcellus Henrique Loiola Ponte Souza souzamar@ufc.br
BMC Gastroenterology 2012, 12:175 doi:10.1186/1471-230X-12-175
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