995 resultados para Fort Ticonderoga (N.Y.)--History--Revolution, 1775-1783--Maps.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Vols. 1, 3-12, 14-16, 18-20, 22, 25-27 have no date on t. p.
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The aim of this article is to give an overview of the political situation of Brazil in 1810. It offers an opposed view to the traditional perspective, that presents a calm scenario, without great political challenges. In fact, although Brazil was in a different situation when compared with Spanish America, it was part of the same general context. It is true that Brazil had opportunities to learn its own ways to avoid revolutions, but, in the end, this goal was impossible to achieve.
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Context: The purpose of this article is to review the history of robotic surgery, its impact on teaching as well as a description of historical and current robots used in the medical arena. Summary of evidence: Although the history of robots dates back to 2000 years or more, the last two decades have seen an outstanding revolution in medicine, due to all the changes that robotic surgery has made in the way of performing, teaching and practicing surgery. Conclusions: Robotic surgery has evolved into a complete and self-contained field, with enormous potential for future development. The results to date have shown that this technology is capable of providing good outcomes and quality care for patients. (C) 2011 AEU. Published by Elsevier Espana, S.L. All rights reserved.
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Ancien possesseur : Argenson, Antoine-René de Voyer (1722-1787 ; marquis de Paulmy d')
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We investigate the evolutionary history of the greater white-toothed shrew across its distribution in northern Africa and mainland Europe using sex-specific (mtDNA and Y chromosome) and biparental (X chromosome) markers. All three loci confirm a large divergence between eastern (Tunisia and Sardinia) and western (Morocco and mainland Europe) lineages, and application of a molecular clock to mtDNA divergence estimates indicates a more ancient separation (2.25 M yr ago) than described by some previous studies, supporting claims for taxonomic revision. Moroccan ancestry for the mainland European population is inconclusive from phylogenetic trees, but is supported by greater nucleotide diversity and a more ancient population expansion in Morocco than in Europe. Signatures of rapid population expansion in mtDNA, combined with low X and Y chromosome diversity, suggest a single colonization of mainland Europe by a small number of Moroccan shrews >38 K yr ago. This study illustrates that multilocus genetic analyses can facilitate the interpretation of species' evolutionary history but that phylogeographic inference using X and Y chromosomes is restricted by low levels of observed polymorphism.
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Reading the human Y chromosome: the emerging DNA markers and human genetic history.
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UANL
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UANL