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13by Julián Alfredo Fernández, Álvaro Javier Idrovo, Zulma Milena Cucunubá, Patricia ReyesGet full text
Published 2008-09-01
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18by María del Pilar Chaves, Julián Alfredo Fernández, Isabel Ospina, Myriam Consuelo López, Ligia Moncada, Patricia ReyesGet full text
Published 2007-09-01
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20by Jorge Alberto Cortés, Patricia Reyes, Carlos Hernando Gómez, Sonia Isabel Cuervo, Pilar Rivas, Christian A. Casas, Ricardo SánchezGet full text
Published 2014-11-01
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