• Age- and sex-specific spatio-temporal patterns of colorectal cancer mortality in Spain (1975-2008) 

      Etxeberria Andueza, Jaione Upna Orcid; Ugarte Martínez, María Dolores Upna Orcid; Goicoa Mangado, Tomás Upna Orcid; Militino, Ana F. Upna Orcid (BioMed Central, 2014)   Artículo / Artikulua  OpenAccess
      In this paper, space-time patterns of colorectal cancer (CRC) mortality risks are studied by sex and age group (50-69, ≥70) in Spanish provinces during the period 1975-2008. Space-time conditional autoregressive models are ...
    • Brain and central nervous system cancer incidence in Navarre (Spain), 1973-2008 and projections for 2014 

      Etxeberria Andueza, Jaione Upna Orcid; San Roman, E.; Burgui, R.; Guevara Eslava, Marcela; Moreno Iribas, C.; Urbina, M. J.; Ardanaz, Eva (Ivyspring, 2015)   Artículo / Artikulua  OpenAccess
      Different studies have pointed out Navarre as one of the regions of Spain with the highest incidence rates of brain and other central nervous system (CNS) cancer. Trend analysis for cancer incidence rates for long periods ...
    • Cálculo de la distribución del tiempo de vida de componentes mediante autopsia en sistemas binarios aditivos, serie-paralelo y paralelo-serie 

      Mallor Giménez, Fermín Upna Orcid; Azcárate Camio, Cristina Upna Orcid; Pérez Prados, Antonio Upna Orcid (Universitat Politècnica de Catalunya, 1997)   Artículo / Artikulua  OpenAccess
      En este artículo se estudia el problema de determinar la función de distribución del tiempo de vida de las componentes de un sistema binario, a partir del conocimiento de las leyes que rigen el funcionamiento del sistema ...
    • Characterization of genetic resources of onion (Allium cepa L.) from the Spanish secondary centre of diversity 

      Mallor Giménez, Cristina; Carravedo Fantova, Miguel; Estopañán Muñoz, Gloria; Mallor Giménez, Fermín Upna Orcid (Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), 2011)   Artículo / Artikulua  OpenAccess
      La cebolla es el segundo cultivo hortícola a nivel mundial. Sin embargo, el conocimiento sobre los recursos y la diversidad genética de esta especie es limitado. Por ello, el objetivo del presente trabajo consistió en el ...
    • Checking unimodality using isotonic regression: an application to breast cancer mortality rates 

      Rueda, C.; Ugarte Martínez, María Dolores Upna Orcid; Militino, Ana F. Upna Orcid (Springer, 2016)   Artículo / Artikulua  OpenAccess
      In some diseases it is well-known that a unimodal mortality pattern exists. A clear example in developed countries is breast cancer, where mortality increased sharply until the nineties and then decreased. This clear ...
    • Classical molecular tests using urine samples as a potential screening tool for human papillomavirus detection in human immunodeficiency virus-infected women 

      Muñoz, Marina Upna; Camargo, Milena; Soto de León, Sara; Sánchez, Ricardo; Pineda Peña, Andrea; Pérez Prados, Antonio Upna Orcid; Patarroyo, Manuel Elkin; Patarroyo, Manuel Alfonso (American Society for Microbiology, 2013)   Artículo / Artikulua  OpenAccess
      Human papillomavirus (HPV) is the main risk factor associated with the development of cervical cancer (CC); however, there are other factors, such as immunosuppression caused by the human immunodeficiency virus (HIV), ...
    • A comparison of two modes of data collection: using multidimensional analysis 

      Abascal Fernández, Elena Upna Orcid; Díaz de Rada Igúzquiza, Vidal Upna Orcid; García Lautre, Ignacio Upna Orcid; Landaluce, M. Isabel (CSIC, 2012)   Artículo / Artikulua  OpenAccess
      La investigación sobre comparación entre encuestas presenciales y telefónicas se ha reducido en los últimos años, concluyendo que los resultados son similares, pero los recientes desarrollos tecnológicos y cambios sociales ...
    • Criterio de selección de un árbol óptimo según coeficientes de asociación derivados de χ² 

      Cano Sevilla, Francisco J.; Munduate del Río, Arantza; Pérez Prados, Antonio Upna Orcid (Universitat Politècnica de Catalunya, 1996)   Artículo / Artikulua  OpenAccess
      Se analiza en primer lugar la variación que se produce en el valor del coeficiente de contingencia al realizarse un proceso de poda en un árbol de decisión T. Conocido este efecto, se define una cantidad criterio que combina ...
    • Depletion of the heaviest stable N isotope is associated with NH4+/NH3 toxicity in NH4+-fed plants 

      Ariz, Idoia Upna Orcid; Cruz, Cristina; Morán Juez, José Fernando Upna Orcid; González Moro, María Begoña; García Olaverri, Carmen Upna Orcid; González Murua, Carmen; Martins Loucao, María A.; Aparicio Tejo, Pedro María Upna Orcid (BioMed Central, 2011)   Artículo / Artikulua  OpenAccess
      Background: In plants, nitrate (NO3-) nutrition gives rise to a natural N isotopic signature (δ15N), which correlates with the δ15N of the N source. However, little is known about the relationship between the δ15N of the ...
    • Desigualdades socioeconómicas en la mortalidad en Pamplona y Logroño en el periodo 1996-2007 

      Izco Goñi, N.; Etxeberria Andueza, Jaione Upna Orcid; Delfrade Osinaga, J. Upna; Floristan, Y.; Moreno Iribas, C. (Gobierno de Navarra. Departamento de Salud, 2013)   Artículo / Artikulua  OpenAccess
      Fundamento. Describir las desigualdades en mortalidad en Logroño y Pamplona, ciudades del norte de España, utilizando un indicador de privación socioeconómica por secciones censales. Métodos. Para geocodificar la ...
    • The DNA load of six high-risk human papillomavirus types and its association with cervical lesions 

      Río Ospina, Luisa del; Soto de León, Sara; Camargo, Milena; Moreno Pérez, Darwin Andrés; Sánchez, Ricardo; Pérez Prados, Antonio Upna Orcid; Patarroyo, Manuel Elkin; Patarroyo, Manuel Alfonso (BioMed Central, 2015)   Artículo / Artikulua  OpenAccess
      Background: Analysing human papillomavirus (HPV) viral load is important in determining the risk of developing cervical cancer (CC); most knowledge to date regarding HPV viral load and cervical lesions has been related to ...
    • The effect of changing temperature and agar concentration at proliferation stage in the final success of Aleppo pine somatic embryogenesis 

      Pereira, Catia; Montalbán, Itziar A.; Goicoa Mangado, Tomás Upna Orcid; Ugarte Martínez, María Dolores Upna Orcid; Correia, Sandra; Canhoto, Jorge M.; Moncaleán, Paloma (Instituto Nacional de Investigacion y Tecnologia Agraria y Alimentaria (INIA), 2017)   Artículo / Artikulua  OpenAccess
      Aim of the study: The effect of physical and chemical conditions at proliferation stage was evaluated in order to elucidate if this stage is the determinant phase to induce a marked effect in Pinus halepensis somatic ...
    • Electric vehicles in logistics and transportation: a survey on emerging environmental, strategic, and operational challenges 

      Juan Pérez, Ángel Alejandro; Méndez, Carlos Alberto; Faulín Fajardo, Javier Upna Orcid; Armas, Jesica de; Grasman, Scott Erwin Upna (MDPI, 2016)   Artículo / Artikulua  OpenAccess
      Current logistics and transportation (L&T) systems include heterogeneous fleets consisting of common internal combustion engine vehicles as well as other types of vehicles using “green” technologies, e.g., plug-in ...
    • Estimating unemployment in very small areas 

      Ugarte Martínez, María Dolores Upna Orcid; Goicoa Mangado, Tomás Upna Orcid; Militino, Ana F. Upna Orcid; Sagaseta López, M. Upna (Institut d'Estadística de Catalunya-IDESCAT, 2009)   Artículo / Artikulua  OpenAccess
      In the last few years, European countries have shown a deep interest in applying small area techniques to produce reliable estimates at county level. However, the specificity of every European country and the heterogeneity ...
    • Evaluation of grape stems and grape stem extracts for sulfur dioxide replacement during grape wine production 

      Pires Nogueira, Danielle; Jiménez Moreno, Nerea Upna Orcid; Esparza Catalán, Irene Upna; Moler Cuiral, José Antonio Upna Orcid; Ferreira-Santos, Pedro; Sagüés Sarasa, Ana; Teixeira, José António; Ancín Azpilicueta, Carmen Upna Orcid (Elsevier, 2023)   Artículo / Artikulua  OpenAccess
      Sulfur dioxide (SO2), the main preservative in wine, may affect the sensory properties of the wines, as well as cause allergic reactions and headaches in sensitive people. The aim of this work was to evaluate the replacement ...
    • Horizontal collaboration in freight transport: concepts, benefits and environmental challenges 

      Serrano Hernández, Adrián Upna Orcid; Juan Pérez, Ángel Alejandro; Faulín Fajardo, Javier Upna Orcid; Pérez Bernabeu, Elena (Institut d'Estadística de Catalunya, 2017)   Artículo / Artikulua  OpenAccess
      Since its appearance in the 1990s, horizontal collaboration (HC) practices have revealed them-selves as catalyzers for optimizing the distribution of goods in freight transport logistics. After introducing the main concepts ...
    • Human papillomavirus detection from human immunodeficiency virus-infected Colombian women’s paired urine and cervical samples 

      Muñoz, Marina Upna; Camargo, Milena; Soto de León, Sara; Sánchez, Ricardo; Parra, Diana; Pineda Peña, Andrea; Sussmann, Otto; Pérez Prados, Antonio Upna Orcid; Patarroyo, Manuel Elkin; Patarroyo, Manuel Alfonso (Public Library of Science, 2013)   Artículo / Artikulua  OpenAccess
      Infection, coinfection and type-specific human papillomavirus (HPV) distribution was evaluated in human immunodeficiency virus (HIV)-positive women from paired cervical and urine samples. Paired cervical and urine samples ...
    • Human papillomavirus detection in women with and without human immunodeficiency virus infection in Colombia 

      Camargo, Milena; Soto de León, Sara; Muñoz, Marina Upna; Sánchez, Ricardo; Peña-Herrera, Diego; Pineda Peña, Andrea; Sussmann, Otto; Paez, Carol; Pérez Prados, Antonio Upna Orcid; Patarroyo, Manuel Elkin; Patarroyo, Manuel Alfonso (BioMed Central, 2014)   Artículo / Artikulua  OpenAccess
      Background: HIV infection leads to a decreasing immune response, thereby facilitating the appearance of other infections, one of the most important ones being HPV. However, studies are needed for determining associations ...
    • Improving the quality of satellite imagery based on ground-truth data from rain gauge stations 

      Militino, Ana F. Upna Orcid; Ugarte Martínez, María Dolores Upna Orcid; Pérez Goya, Unai Upna Orcid (MDPI, 2018)   Artículo / Artikulua  OpenAccess
      Multitemporal imagery is by and large geometrically and radiometrically accurate, but the residual noise arising from removal clouds and other atmospheric and electronic effects can produce outliers that must be mitigated ...
    • Intensidade tecnológica e sistemas de trabalho de alto desempenho 

      García Olaverri, Carmen Upna Orcid; Larraza Kintana, Martín Upna Orcid; Urtasun Alonso, Ainhoa Upna Orcid (Fundaçao Getulio Vargas, 2004)   Artículo / Artikulua  OpenAccess
      The paper examines the moderating effect that the technological intensity of the environment in which the firm operates exerts in the High Performance Work Systems (HPWS) - firm's operational performance relationship. We ...

      El Repositorio ha recibido la ayuda de la Fundación Española para la Ciencia y la Tecnología para la realización de actividades en el ámbito del fomento de la investigación científica de excelencia, en la Línea 2. Repositorios institucionales (convocatoria 2020-2021).
      Logo MinisterioLogo Fecyt