Mostrando 281 - 300 Resultados de 5,920 Para Buscar '"South America"', tiempo de consulta: 0.23s Limitar resultados
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    “…The expansion of forest farmers across tropical lowland South America during the Late Holocene has long been connected to climate change. …”
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    “…The emergence of plant-based economies have dominated evolutionary models of Middle and Late Holocene pre-Columbian societies in South America. Comparatively, the use of aquatic resources and the circumstances for intensifying their exploitation have received little attention. …”
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    “…OBJECTIVE: To study the clinical performance of seven commercial serological tests for COVID-19 diagnosis available in South America. METHODS: We conducted a blind evaluation of five lateral-flow immunoassays (LFIA) and two enzyme-linked immunosorbent assays (ELISAs) for detecting anti-SARS-CoV-2 antibodies. …”
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  8. 288
    por Almeida, Fernando
    Publicado 2020
    “…This perspective looks at the impact of COVID-19 in South America and argues that the health critical care systems of these countries are particularly vulnerable due to the underestimation of the number of cases currently confirmed and the strong need for treatment of these patients in intensive care units (ICUs). …”
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    “…This is especially true for South America, where unexpected ancestral signals have raised perplexing scenarios for the early migrations into different regions of the continent. …”
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    “…The oceanic South Atlantic Convergence Zone (SACZ) has played a major role during South America’s 2021/2022 summer extreme rainy season, being responsible for more than 90% of the precipitation in some regions of Southeast Brazil and in some regions of the Southwestern Atlantic Ocean (SWA). …”
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    “…Wild ancestral populations of squash and beans also could have been domesticated in both Mesoamerica and South America. In plants, domestication creates human dependence; for humans, it generates a high social cost that is presently unvalued. …”
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