Descripción: “... Este trabajo aborda como producto de innovación un engranaje con perfil especial de los dientes, lo cual permite características geométricas similares al perfil de función paramétrica y que admite variaciones geométricas para que, eventualmente, alcance mayor capacidad de carga portante (potencia/peso)....”

Descripción: “...The researches suggest the need to carry out the study of cases with the main objective of establishing an etiology diagnosis (bacterium, viral) and to characterize the clinical appearance of patient’s over-infection with chronic Obstructive-Pulmonary disease that are admitted in Cartago’s Hospital and need to be hospitalized in the Intensive Care Unit and that required an artificial respiratory track. ...”

Descripción: “...Two associ- ated factors were found: contact with cats (OR:1.6485, 1.0332–2.6407 95%CI) and admitting neighbours’ street cats (OR:3.3137, 1.3851–7.9278 95%CI). ...”