Mostrando 6,421 - 6,440 Resultados de 12,934 Para Buscar '"North America"', tiempo de consulta: 1.09s Limitar resultados
  1. 6421
    “…Nearly all studies were cross-sectional (n = 15) in design and conducted among populations in North America (n = 15). Most studies examined burnout among medical students or physicians and used the Maslach Burnout Inventory. …”
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  2. 6422
    “…Gila, Acrocheilus) also endemic to western North America. This characterized mitogenome may help inform management practices for S. b. mohavensis by facilitating future studies on how allopatric populations of this imperiled species are evolving across refuge habitats.…”
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  3. 6423
    “…Dynamic tracking of SARS-CoV-2 showed that the D614G variant became predominant after emergence in Europe and North America, but not in China. The current absence of selective pressures from antiviral treatment suggests that the driving force for viral evolution could be variations in human population genetics. …”
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  4. 6424
    “…Pancreatic ductal adenocarcinoma (PDAC) will become the second most common cause of death in North America and Europe over the next 10 years owing to the lack of early diagnosis, poor treatment, and poor prognosis. …”
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  5. 6425
    “…The alfalfa leafcutting bee (Megachile rotundata) is a potential surrogate species for use in pesticide risk assessment for solitary bees in North America. However, the toxicity of potential toxic reference standards to M. rotundata will need to be determined before pesticide risk assessment tests (tier I trials) can be implemented. …”
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  6. 6426
    “…Analysis of antigen sequences across all strains indicates that antigenic diversity is a likely explanation for limited diagnostic performance in Central and North America.…”
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  7. 6427
    “…Ferns are part of the diet and traditional medicine in East Asia, North America, and Oceania, however, their importance has been forgotten in Europe. …”
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  8. 6428
    por Shoji, Hisataka, Opal, Steven M.
    Publicado 2021
    “…Following the findings derived from a large sepsis clinical trial with PMX in North America, a new trial is ongoing to determine if PMX has a long-term survival benefit when administered to septic patients. …”
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  9. 6429
    “…The Pacific Crest Trail (PCT) is a 4265‐km hiking trail that extends from the US‐Mexican border to the US‐Canadian border through the mountain ranges of western North America. Individuals who hike the entire length of the trail in one season (4–6 months) perform long daily exercise durations while exposed to extreme environmental temperatures, high altitudes, intense solar radiation, and the consumption of calorie‐rich, nutrient‐poor diets. …”
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  10. 6430
    “…Recent increase in cases reported in North America indicates a need to better understand the distribution and persistence of the pathogen in the environment. …”
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  11. 6431
    “…Background and Objectives: Artemisia is one of the most widely distributed genera of the family Astraceae with more than 500 diverse species growing mainly in the temperate zones of Europe, Asia and North America. The plant is used in Chinese and Ayurvedic systems of medicine for its antiviral, antifungal, antimicrobial, insecticidal, hepatoprotective and neuroprotective properties. …”
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  12. 6432
    “…The California harvester ant Pogonomyrmex californicus is the most widely distributed Pogonomyrmex species in North America. Pogonomyrmex californicus colonies are usually monogynous, i.e. a colony has one queen. …”
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  13. 6433
    “…At this current point in time there are 4 known major variants of the original SARS-CoV-2 virus, namely the English variant (B.1.1.7), the South African variant (B.1.351), Brazilian variants (VOC202101/02 (P.1) and VUI202101/01) and a variant similar to that of the South African variant found in North America (B.1.526), all of which have varying levels of resistance and infectivity. …”
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  14. 6434
    “…The recent spread of invasive mosquito species, such as Aedes albopictus and the seasonal sporadic transmission of autochthonous cases of arboviral diseases (e.g., dengue, chikungunya, Zika) in temperate areas, such as Europe and North America, highlight the importance of effective mosquito-control interventions to reduce not only nuisance, but also major threats for public health. …”
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  15. 6435
    “…Emission intensities varied widely for natural gas production, where older, low-producing developments such as Medicine Hat, Alberta showed high emission intensities, and newer developments in Montney, British Columbia showed emission intensities that are amongst the lowest in North America. Overall, we estimate that the Canadian upstream oil and gas methane inventory is underestimated by a factor of 1.5, which is consistent with previous studies of individual regions.…”
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  16. 6436
    “…Since 2009, the Dystonia Coalition has encouraged collaboration by engaging 56 sites across North America, Europe, Asia, and Australia. Its emphasis on collaboration has facilitated establishment of international consensus for the definition and classification of all dystonias, diagnostic criteria for specific subtypes of dystonia, standardized evaluation strategies, development of clinimetrically sound measurement tools, and large multicenter studies that document the phenotypic heterogeneity and evolution of specific types of dystonia.…”
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  17. 6437
    por Ji, Wei, Gao, Gary, Wei, Jiufeng
    Publicado 2021
    “…It is originally from North America and feeds on grapevine roots and leaves. …”
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  18. 6438
    “…Phylogenetic analysis has suggested the existence of two clades of amphibian Perkinsea: a putatively non-pathogenic clade linked to asymptomatic infections of tadpoles in Africa, Europe and South America, and a putatively pathogenic clade linked to disease and mass mortality events of tadpoles in North America. Here, we describe the development of a duplex TaqMan qPCR assay to detect and discriminate between rDNA sequences from both clades of Perkinsea in amphibian tissues. …”
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  19. 6439
    “…The majority completed a two-year fellowship in North America. Forty percent participated in an integrated program (research and clinical), and 40% participated in clinical programs. …”
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  20. 6440
    “…Two races of dunlins breeding in Alaska have different wintering grounds in North America (Pacific Northwest), and East Asia. Dunlins caught early in autumn (presumably Calidris alpina pacifica) oriented towards their wintering areas (east-southeast; ESE) supporting the idea that they migrate nonstop over the Gulf of Alaska to the Pacific Northwest. …”
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