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Published in 2003
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by Rivadeneira Ruales, Jorge Esteban; Tello Torres, Cristina Margarita; Monteros J., Cecilia; Comina, Paúl; Pumisacho, Manuel; Muisin Unapucha, Blanca Marisol; Cuesta Subía, Hugo Xavier
Published in 2017
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by Rivadeneira Ruales, Jorge Esteban; Bonilla, N.; Yánez Navarrete, Zoila Elizabeth; Villaroel, A.; Pinduisaca, L.; Narváez P., Gabriela; Espín, P.; Cuesta Subía, Hugo Xavier
Published in 2008
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by Rivadeneira Ruales, Jorge Esteban; Ortega Ruiz, David Enrique; Morales, V.; Monteros J., Cecilia; Cuesta Subía, Hugo Xavier
Published in 2016
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12
Published in 2003
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Published in 1998
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Published in 2007
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