Para além da “guerra” e da “paz”: Territórios de violência em Medellín by Iván Darío Ramírez, Grazielle Costa

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Modelado y control no lineal de ácidos grasos volátiles en un biorreactor anaerobio de lecho fijo y flujo ascendente (UAFBR) by Ivan Dario Ramirez, Andrés Ramírez Villareal, Juan David Ospina Nieto

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Ochronosis and lumbar disc herniation - A case report and literature review by Felipe Ramirez-Velandia, John Breton, Silvia Monroy, Silvia Clavijo, Ivan Dario Ramírez Giraldo

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Early experience using 3-D printed locking drill guides for transpedicular screw fixation in scoliosis by Rafael Augusto Azuero Gonzalez, Fabio Alexander Diaz Otero, Felipe Ramirez-Velandia, Orielson Cruz Amaya, Andres Felipe Hortua Moreno, Ramon Elias Patiño Guerrero, Ivan Dario Ramirez Giraldo

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