منابع مشابه
What goes around, comes around.
To cite: Magalhães-Costa P, Chagas C. BMJ Case Rep Published online: [please include Day Month Year] doi:10.1136/bcr-2015209745 DESCRIPTION A 60-year-old Caucasian Portuguese man, who had emigrated from Mozambique 30 years earlier, presented to our department with a 1-month history of epigastric pain, nausea, vomiting, weight loss and watery diarrhoea. He had two previous episodes of treated sy...
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Software Testing Most people knowledgeable about technology generally understand that testing is useful, but they’re short on concrete details as to why. Furthermore, some fail to recognize that testing can be as problematic as it is beneficial. Some think that software testing is merely a set of tools—they have no idea about its rich history of debates over deep theoretical questions. Furtherm...
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We show how to construct arbitrage-free models of the term structure of interest rates in which various expectations hypotheses can hold. McCulloch (1993) provided a Gaussian non-Markovian example of the unbiased expectations hypothesis (U{EH), thereby contradicting the assertion by Cox, Ingersoll, and Ross (CIR, 1981) that only the so-called local expectations hypothesis could hold. We general...
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Over 3 billion years ago, cellular life began anaerobically. A new study now establishes a key link between oxidative stress and proliferation of wall-less bacteria known as L-forms. The finding provides insights into both the origin of life and the potential threat posed by pathogenic L-forms.
متن کاملCyclin-stimulated binding of Cks proteins to cyclin-dependent kinases.
Although Cks proteins were the first identified binding partners of cyclin-dependent protein kinases (cdks), their cell cycle functions have remained unclear. To help elucidate the function of Cks proteins, we examined whether their binding to p34(cdc2) (the mitotic cdk) varies during the cell cycle in Xenopus egg extracts. We observed that binding of human CksHs2 to p34(cdc2) was stimulated by...
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ژورنال
عنوان ژورنال: Nature Reviews Molecular Cell Biology
سال: 2002
ISSN: 1471-0072,1471-0080
DOI: 10.1038/nrm916