منابع مشابه
String of pearls around the brainstem: A case of neurosarcoidosis.
A 35-year-old woman presented with 2 months of chronic headache. Her history was remarkable for bilateral uveitis. There was no nuchal rigidity or neurologic deficit. CSF revealed a lymphocytic pleocytosis, elevated protein, and hypoglycorrhachia (23 mg/dL). Culture for acid-fast bacilli was negative. Chest x-ray revealed bilateral hilar lymphadenopathy. There was an increased CD4/CD8 ratio in ...
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We discuss mechanised proofs of Fermat’s Little Theorem in a variety of styles, focusing in particular on an elegant combinatorial “necklace” proof that has not been mechanised previously. What is elegant in prose turns out to be long-winded mechanically, and so we examine the effect of explicitly appealing to group theory. This has pleasant consequences both for the necklace proof, and also fo...
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The coiled and dotted vessels in a serpiginous arrangement or "string of pearls" is considered a classical vascular pattern associated with clear cell acanthoma. We present three cases of epidermal tumors different from clear cell acanthoma that have the same "string of pearls" vascular pattern. Even though most authors keep considering the "string of pearls" vascular pattern an almost pathogno...
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What do you think about highimpact journals that cater to a wider audience? I used to think that such journals were for the vain and insecure; however, I’ve just had my first article accepted by Current Biology, so I must of course reconsider. I think there is a place for journals suited to the more general reader, but I do worry that the decisions for some journals — even on whether to send th...
متن کاملFrom beads on a string to the pearls of regulation: the structure and dynamics of chromatin.
The assembly of eukaryotic chromatin, and the bearing of its structural organization on the regulation of gene expression, were the central topics of a recent conference organized jointly by the Biochemical Society and Wellcome Trust. A range of talks and poster presentations covered topical aspects of this research field and illuminated recent advances in our understanding of the structure and...
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ژورنال
عنوان ژورنال: Nature
سال: 1975
ISSN: 0028-0836,1476-4687
DOI: 10.1038/257177a0