منابع مشابه
Different paths to the same end: a response to the question: quo vadis?
We read with interest and enthusiasm the recent article by Yankah and colleagues “Cardiac Surgery Capacity in SubSaharan Africa: Quo Vadis?” and would like to add our thoughts to this discussion of where we are headed in our efforts to establish sustainable cardiac surgical programs in the developing world. The referenced paper contributes an excellent surveyof the current status of cardiac sur...
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Closely related species often bear many similarities in outward appearance—think of the elongated snout of wolf and dog, or the opposing twigs on Norway and sugar maples. The parsimonious explanation for similar features is that they arise by similar developmental mechanisms, but an emerging concept in evolutionary development suggests this may not always be so. ‘‘Developmental systems drift’’ ...
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In comparative law, there are many situations where the same legal term has different meanings, or where different legal terms have same legal effect. This can often cause confusion to both lawyers and their clients. This confusion most often occurs when civil lawyers have to deal with common law, or aice aersa, when common law lawyers deal with civil law issues. While there are many issues whi...
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Many people believe that the older a person gets, the sicker he or she becomes. The result can be quite a pessimistic view of very old age. If this were true, most if not all centenarians would have significant disability. However, 90% of centenarians in a population-based study were functionally independent at the average age of 92 y. Thus, to achieve extreme old age, a much more enabling poin...
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The toll-like receptors that detect viral DNA and viral RNA in cells take different paths from the endoplasmic reticulum to the endosome.
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ژورنال
عنوان ژورنال: Nature
سال: 2006
ISSN: 0028-0836,1476-4687
DOI: 10.1038/443401a