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1Article of journalPublished in 2011Repositorio Universidad Nacional de Colombia
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2Article of journalPublished in 2010Repositorio Universidad Nacional de Colombia
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3Article of journalPublished in 2018Repositorio Universidad Nacional de Colombia
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4Article of journalPublished in 2012Repositorio Universidad Nacional de Colombia
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5Article of journalPor Gómez Bustamante, Edna; Castillo Ávila, Irma; Díaz Montes, Carmen Elena; Luis, Alvis; Cogollo, ZuleimaPublished in 2014Repositorio Universidad Nacional de Colombia
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