Mostrando 1,701 - 1,720 Resultados de 1,758 Para Buscar '"costa Rica"', tiempo de consulta: 0.17s Limitar resultados
  1. 1701
    “…METHODS: We collected mayflies (nymphs and adults) in a first-order stream in Costa Rica. We compared benthic and adult biomass from two years’ worth of samples, collected with a core sampler (0.006 m(2)) and a 2 m(2)-emergence trap. …”
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  2. 1702
    “…In this study, we used DNA metabarcoding to detect community-based patterns of soil invertebrate composition across a primary forest, a 23-year-old secondary forest, and a 33-year-old secondary forest and the associated soil environmental drivers of the soil invertebrate community structure in the Maquenque National Wildlife Refuge of Costa Rica (MNWR). We also used a species contribution analysis (SIMPER) to determine which soil invertebrate groups may be an indication of these soils reaching a pre-disturbed state such as a primary forest. …”
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  3. 1703
  4. 1704
    “…BACKGROUND: Costa Rica, along with other Latin American countries, is undergoing population aging, with an increase in the prevalence of chronic conditions, many of them resulting from a growing prevalence of obesity. …”
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  5. 1705
    “…Adolescents completed a 3-day food record, from which the validated Traditional Costa Rica Adolescents Diet Score (TCRAD) was defined. …”
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  6. 1706
  7. 1707
  8. 1708
    “…The lineages and genetic isolates were traced back to China (A), Costa Rica (A.2.5.1), Europe (B.1, B.1.1, A.23.1), the USA (B.1.405, B.1.596), South Africa (B.1.617.2), and the United Kingdom (B.1.1.7), indicating multiple introduction events. …”
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  9. 1709
    “…Additionally, rickettsial gltA and ompA partial sequences were 99.7% identical to Rickettsia sp. endosymbiont of Ixodes spp. from Panama and Costa Rica and 99.2% with Rickettsia endosymbiont from the USA. …”
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  10. 1710
    “…METHODS: A retrospective observational study that compared the optimal selection and the consumption (DOTs/1000 ICP patient days) of antibiotics in patients treated by intensive care physicians before and after the implementation of the AMS at Clínica Biblica Hospital, Costa Rica. The comparison was made from January to December 2014 (preAMS) and from January 2020 to March 2021 (postAMS). …”
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  11. 1711
    “…Here, to develop purple-pericarp super-sweetcorn, an initial cross between a male purple-pericarp maize, ‘Costa Rica’ (A1Sh2.A1Sh2) and a female white shrunken2 super-sweetcorn, ‘Tims-white’ (a1sh2.a1sh2), was conducted. …”
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  12. 1712
    “…METHODS: This was a multicenter observational study of children <18 years of age with confirmed SARS-CoV-2 infection or multisystemic inflammatory syndrome (MIS-C) and laboratory evidence of SARS-CoV-2 infection in children, admitted to 15 tertiary hospitals/healthcare centers in Canada, Costa Rica, and Iran February 2020–May 2021. Descriptive statistical analyses were performed and logistic regression was used to identify factors associated with neurological involvement. …”
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  13. 1713
    Publicado 2007
    Tabla de Contenidos: “…Entre la flexibilidad, el trabajo fragmentado y la precariedad laboral : los obreros de las maquiladoras del norte y centro de México / por María Eugenia de la O ; Trabajo, identidad y género en las maquiladoras de Tijuana / por Marlene Solís Pérez ; Identidad y representaciones de las trabajadoras frente a la alta tecnología : reconstrucción de un estudio de caso sobre una maquiladora estadounidense en Yucatán / por Beatriz Castilla Ramos ; Identidades, resistencia y conflicto en las cadenas globales : las trabajadoras de la industria maquiladora de la confección en Costa Rica / por Rocío Guadarrama.…”
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  14. 1714
    “…A migration corridor was detected that coincides with the Costa Rica Coastal Current that flows from Central America to the Gulf of California, allowing the homogenization of the northern population. …”
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  15. 1715
    “…RESULTS: As per the inclusion and exclusion criteria, the effectiveness of Pfizer-BioNTech and Moderna vaccines were evaluated from an estimated total study population of 26,535,692 using infection, hospital, ICU admission and intubation, and death as outcome measures from studies published between 2021 and 2022, conducted in New York, Finland, Canada, Costa Rica, Qatar, Greece, and Brazil. The risk of bias was evaluated using risk of bias in nonrandomized studies of interventions (ROBINS-I) tool for cohort, case-control, and cross-sectional studies. …”
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  16. 1716
    “…The ten countries with the highest estimated case counts, Afghanistan, Algeria, Colombia, Brazil, Iran, Syria, Ethiopia, North Sudan, Costa Rica and Peru, together account for 70 to 75% of global estimated CL incidence. …”
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  17. 1717
    “…DESIGN: As part of USAID's Combination Prevention for HIV program in Central America, PASMO conducted population based surveys using respondent-driven sampling (RDS) in nine cities in Guatemala, El Salvador, Nicaragua, Costa Rica, and Panama. Initial seeds were recruited using the following criteria: individuals who represented subgroups of MSM by self-identification (homosexual vs. heterosexual or bisexual vs. transgender), social economic strata, and by sex work practices. …”
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  18. 1718
    “…We assessed the feasibility of using routine surveillance data collected by sentinel hospitals to estimate influenza VE during 2012 against laboratory-confirmed influenza hospitalizations in Costa-Rica, El Salvador, Honduras and Panama. We explored the completeness of variables needed for VE estimation. …”
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  19. 1719
    “…METHODS: In 2015, two survey research projects were developed and piloted in Puerto Rico and pre-tested in Costa Rica to collect face-to-face data, get formative evaluation feedback, and to test the feasibility of an offline mobile data collection process. …”
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  20. 1720
    “…BACKGROUND: We describe 22 new species in the genus Hyphantrophaga Townsend, 1892 (Diptera: Tachinidae) from Area de Conservación Guanacaste (ACG) in north-western Costa Rica. All species were reared from an ongoing inventory of wild-caught caterpillars spanning a variety of families (Lepidoptera: Bombycidae, Crambidae, Depressariidae, Doidae, Erebidae, Euteliidae, Gelechiidae, Geometridae, Hedylidae, Hesperiidae, Immidae, Lasiocampidae, Limacodidae, Megalopygidae, Mimaloniidae, Noctuidae, Nolidae, Notodontidae, Nymphalidae, Papilionidae, Pieridae, Phiditiidae, Pterophoridae, Pyralidae, Riodinidae, Saturniidae, Sphingidae, Thyrididae, Tortricidae and Zygaenidae). …”
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