The collar sign

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چکیده

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[Hair collar sign associated with scalp aplasia cutis congenita].

1. Méndez T, Otero I, García R, Pérez B. Síndrome de Klippel-Trenaunay-Weber: presentación de un caso. Rev Cubana Oftalmol. 2001;14:47-9. 2. Bordel MT, Miranda A. Un caso atípico de síndrome de Klippel-Trenaunay. Piel. 2005;20:306-8. 3. Gimeno P, Pérez P, López-Pisón J, Romeo M, Galeano N, Marco M, et al. Síndrome de Klippel-Trenaunay: a propósito de tres nuevas observaciones. An Esp Pediatr. 2...

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The Blue-Collar Brain

Much effort has gone into elucidating control of the body by the brain, less so the role of the body in controlling the brain. This essay develops the idea that the brain does a great deal of work in the service of behavior that is controlled by the body, a blue-collar role compared to the white-collar control exercised by the body. The argument that supports a blue-collar role for the brain is...

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The White Collar Factory

Beyond the factory floor, there is an even larger opportunity to improve performance. The true world-class competitors have discovered this opportunity and have extended the principles that worked on the factory floor to the upstream processes that feed production, "white collar" factories. They have reorganized their white collar factories, moving away from junctional organization toward proce...

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Computed tomography findings in acute decompensated heart failure: periportal collar sign and lymphedema in the hepatoduodenal ligament and retroperitoneal space

We report two cases that were diagnosed with either acute exacerbation of chronic heart failure or acute decompensated heart failure due to acute myocardial infarction; both cases exhibited computed tomography (CT) findings of the periportal collar sign in the liver and lymphedema in the hepatoduodenal ligament and retroperitoneal space. Both of these signs, particularly lymphedema in the hepat...

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Endocytosis: Is dynamin a ‘blue collar’ or ‘white collar’ worker?

The GTPase dynamin clearly plays an important role in endocytosis, but precisely how has been controversial. Some recent results support the view that dynamin uses GTP hydrolysis physically to drive vesiculation; others support the view that dynamin acts as a classical G protein 'switch'. Perhaps both views are correct.

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ژورنال

عنوان ژورنال: Postgraduate Medical Journal

سال: 2000

ISSN: 0032-5473

DOI: 10.1136/pmj.76.891.53