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17by Sara Marcela Paz, Valentina Muñoz Agudelo, Andrés Fernando Echeverri S, Norberto Urrutia CoboGet full text
Published 2012-12-01
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19by Fernando Echeverri Florez, Carlos Eduardo Loaiza Marín, Magnolia del Pilar Cano OrtizGet full text
Published 2004-06-01
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20by Esteban Vargas, Fernando Echeverri, Yulieth A. Upegui, Sara M. Robledo, Wiston QuiñonesGet full text
Published 2017-12-01
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