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Published in 2002
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Published in 1999
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by Barrera, Víctor Hugo; Cruz, Elena; Cárdenas de Mera, Flor María; Cobeña Ruiz, Gloria; Zambrano Lucero, Hector Miguel
Published in 2010
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by Gallagher, Robert S.; Stehouwer, Richard C.; Barrera, Víctor Hugo; Alvarado Ochoa, Soraya Patricia; Escudero, Luis; Valverde, Franklin; Portilla, Arnufo; Webber, Katie; Domínguez Andrade, Juan Manuel
Published in 2017
Repository
18
Published in 2003
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by Norton, George W.; Moore, Keith; Quishpe, David; Barrera, Víctor Hugo; Debass, Thomas; Moyo, Sibusiso; Taylor, Daniel B.
Published in 2005
Repository
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