| Table of contents Nova vol.17 no.31 Bogotá Jan./June 2019 Revision article | | | | · OCRA method in different productive sectors. A review of the literature, 2007-2018 Dimate-García, Aanh Eduardo; Rodríguez-Romero, Diana Carolina; González-Rincón, Edna Yuliana; Pardo-López, Diana Marcela; Garibello-Cubillos, Yessica
| | | Original Research | | | | · Clinical condition and colinesterase levels of informal workers dedicated to fumigation with pesticides Luna-Rondón, José Moisés; Hanna-Lavalle, Mónica Isabel; Elena-Amador, Concepción
| | | | · Perception of the risk through its psychosocial attributes in workers of the metalmechanical industry in the city of Bogotá, D.C (Colombia). Fajardo-Zapata, Álvaro; Hernández-Niño, Jenny Fabiola; González-Valencia, Yuri Lilian; Hernández, Héctor Andrés; Torres-Pérez, Myriam Leonor
| | | Short article | | | | · Diagnosis of the bacteriological quality of the water of the Córdoba Wetland, Bogotá Sara-Lilia, Ávila de Navia; Sandra-Mónica, Estupiñán Torres; Lina-Marcela, Caicedo Cardona; Xiomara-Michel, Calderón Cárdenas; Wendy-Lizeth, Rubiano Aguirre
| | | Revision article | | | | · Cytokines in amoebic liver abscess: an example of immunological research within the clinical scope Cruz-Baquero, Claudia Andrea; Cruz-Baquero, César Augusto
| | | Original Research | | | | · Compliance with safe work protocols in heights at MEXICHEN Zabaleta-Torres, Ricardo; Pinzón-Mondol, Reynaldo; Barcasnegra-Madera, Wendy; Morales-Orozco, Yefrin
| | | | · Effect of provenance and storage on coffee quality Muñoz-Juan, Carlos; Riaño-Campo, Elias; Pinzón-Alba, Janeth
| | | Revision article | | | | · Biotechnological applications of microorganisms Ostos-Ortíz, Olga Lucía; Rosas-Arango, Sonia Marcela; González-Devia, Johanna Lizeth
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