Effect of Antioxidants in the Treatment of COPD Patients: Scoping Review by Mauricio Orozco-Levi, Claudia Colmenares-Mejía, Jessica Ruíz, Yurley Dayanna Valencia-Barón, Alba Ramírez-Sarmiento, Doris Cristina Quintero-Lesmes, Norma C. Serrano

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Removal of Nonmyrmecochorous Seeds by Ants: Role of Ants in Cattle Grasslands by Selene Escobar-Ramírez, Sebastián Duque, Natalia Henao, Alejandra Hurtado-Giraldo, Inge Armbrecht

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Synthesis of New Oxindoles and Determination of Their Antibacterial Properties by Pablo E. Romo, Braulio Insuasty, Rodrigo Abonia, María del Pilar Crespo, Jairo Quiroga

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Resin-Dentin Bonding Interface: Mechanisms of Degradation and Strategies for Stabilization of the Hybrid Layer by D. E. Betancourt, P. A. Baldion, J. E. Castellanos

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Assessing safety and efficacy of flexible ureteroscopy and laser lithotripsy in elderly patients by Jeffer D. Álvarez-Villarraga, Herney A. García-Perdomo, Héctor A. Ramírez-Vásquez, Jorge E. Palacios-Riascos, Andrea López-Sanmiguel

“…Materials and methods: In this retrospective, multicenter observational study, we collected the anonymized clinical data of patients who underwent F-URS at two institutions in Cali, Colombia between June 2015 and May 2018. The patients were divided into two groups based on age: Group A defined as aged patients (> 65 years) and Group B as patients of non-advanced age (< 65 years). …”
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A Review of Caffeine Adsorption Studies onto Various Types of Adsorbents by Javier Andrés Quintero-Jaramillo, Javier Ignacio Carrero-Mantilla, Nancy Rocío Sanabria-González

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Effect of oxidizing agents on the treatment of a Colombian lead ore by alternative hydrometallurgical processes by Borda J., Salamanca I.D., Torres R.

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Soft Lithography and Minimally Human Invasive Technique for Rapid Screening of Oral Biofilm Formation on New Microfabricated Dental Material Surfaces by Marta Alvarez-Escobar, Sidónio C. Freitas, Derek Hansford, Fernando J. Monteiro, Alejandro Pelaez-Vargas

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Characterization and Etiopathogenic Approach of Pediatric Renal Biopsy Patients in a Colombian Medical Center from 2007-2017 by Mayerly Prada Rico, Carmen Inés Rodríguez Cuellar, Monica Fernandez Hernandez, Luz Stella González Chaparro, Olga Lucía Prado Agredo, Ricardo Gastelbondo Amaya

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Identificación microbiológica de algunas cepas nativas cultivables asociadas al tracto digestivo en Panaque cochliodon by Juan David Cano-Gil, Luz Adriana Gutiérrez-Ramírez, Carlos A. David-Ruales, Sandra Pardo-Carrasco, Valentina Jaramillo-Ruiz, Manuela Arboleda-Restrepo

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Experimental Solution of Chitosan and Nanochitosan on Wettability in Root Dentine: In Vitro Model Prior Regenerative Endodontics by Fernando Arias Alvarado, Maira Rivero Iriarte, Freddy Jordan Mariño, Sara Quijano-Guauque, León D. Pérez, Yolima Baena, Claudia García-Guerrero

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Urological, vascular, and infectious implications of kidney transplant: a single-center experience by Juan G. Prada, Sofía Manjarrés-Sierra, Isabella Lince-Rivera, Carolina Martínez-Pinedo, Carolina Martínez-Pinedo, Germán Patiño, Hugo E. López

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Hepatocellular Carcinoma with Both Fibrolamellar and Classical Components: An Unusual Morphological Pattern by Diana Castro-Villabón, Luis E. Barrera-Herrera, Paula A. Rodríguez-Urrego, Rachel Hudacko, Alonso Vera, Johanna Álvarez, Rafael Andrade, Rocío López

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Histology Assessment of Chitosan–Polyvinyl Alcohol Scaffolds Incorporated with CaO Nanoparticles by Carlos David Grande-Tovar, Jorge Ivan Castro Castro, Lemy Vanessa Barba-Rosado, Paula A. Zapata, Daniel Insuasty, Carlos-Humberto Valencia-Llano

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Treatment of Miller I Mandibular Gingival Recessions Using PRF vs. Connective Graft by Hernan S. Garzon, Camilo Alfonso, Francisco J. Vega, Andrea García, Ana Muñoz, Gustavo Jaimes, Katherine Isaza, Katherine Rivera

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Soil fertility in agricultural production units of tropical areas by S. Rodelo-Torrente, A.C. Torregroza-Espinosa, M. Moreno Pallares, D. Pinto Osorio, A. Corrales Paternina, A. Echeverría-González

“…The purpose of this study was to assess the physical and chemical properties of the soil to propose guidelines on soil handling and management in tropical areas.METHODS: Data on texture, macronutrients, micronutrients, and cation ratios were collected at 200 farms in the Sucre Department of Northern Colombia. Correlation analysis and principal component analysis were performed on the resulting data set, and a soil quality index was calculated.FINDING: Macronutrients N, P, K, S, Ca, Mg, and Na displayed average values of 21.65 ± 10.65 part per million, 40.35 ± 67.21 part per million, 0.46 ± 0.43 meq/100g, 7.94 ± 28.35 part per million, 15.63 ± 17.30 meq/100 g, 5.63 ± 3.58 meq/100g, 0.19 ± 0.20 meq/100g, respectively. …”
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Intracavitary Irradiation as a Safe Alternative for Cystic Craniopharyngiomas: Case Report and Review of the Literature by Alejandro Enriquez-Marulanda, Melibea Sierra-Ruiz, Luz Maritza Pabón, Javier Lobato-Polo

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Debates about Educational Issues: A Pedagogical Strategy to Explore Argumentative Skills in the EFL Classroom by Ángela Vanesa Duarte Infante, Sandra Milena Fonseca Velandia, Bertha Ramos Holguín

“… This article describes a pedagogical proposal, based on debates, to determine the type of arguments that pre-service English language teachers constructed at a public university in Tunja, Colombia. We implemented a series of debate workshops about educational issues. …”
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Submassive Pulmonary Thromboembolism in a Patient with Thrombocytopenia: Therapeutic Challenge by Ronni Andrea Muñoz Tovar, Luis Carlos Alvarez Perdomo, Sandra Milena Rojas Molina, Silvana Jimenez Salazar

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El trabajo social en América Latina: contribuciones y proyecciones ante una crisis mundial / Social Work in Latin America: Contributions and projections in a global crisis by Izabel Solyszko, Antonia Arévalo-Agredo

“…De un lado, la tradición marxista brasileña, y del otro, las construcciones desarrolladas por la educación popular y la investigación acción participativa en países como Colombia, Perú y Brasil. Enseguida, se reconocen que estas perspectivas orientan una lectura analítica sobre la actual crisis societal y su integración analítica con postulados del postdesarrollo y la epistemología feminista.…”
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