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[LETTERS] Diagnostic Criteria for Spontaneous Spinal CSF Leaks and Intracranial Hypotension
[LETTERS] Diagnostic Criteria for Spontaneous Spinal CSF Leaks and Intracranial Hypotension
[LETTERS] Diagnostic Criteria for Spontaneous Spinal CSF Leaks and Intracranial Hypotension
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Other Articles:
| • | Management of Cracking Puddled Soils and its Impact on Infiltration |
| A study of cracking soils management was conducted in the wet soil bin with nine soil management practice treatments to investigate their impact on infiltration rate. The treatments were arranged in a randomized complete block design (RCB) with three replications. It is observed that the management of cracking soils, even at an early stage of crack initiation, has a great influence on infiltration rate. Among the management practices, the hand hoe operation was found to be better than trampling to reduce the cracks when the crack width was 10 mm. It is also observed that there is no influence of crack number on infiltration if a soil management practice is included with irrigation. The study reveals that with a soil management practice, the cracks reduced or were removed in a short period of time even though the cracks were 10 mm wide. In contrast, without soil management, cracks remained open for a long period even after ponding. By practicing soil management during irrigation, a large volume of water can be saved which my help to bring more area under irrigation particularly where there are limited water resources. | |
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| • | Extracting key information from historical data to quantify the transmission dynamics of smallpox |
| Background: Quantification of the transmission dynamics of smallpox is crucial for optimizing intervention strategies in the event of a bioterrorist attack. This article reviews basic methods and findings in mathematical and statistical studies of smallpox which estimate key transmission parameters from historical data.Main findingsFirst, critically important aspects in extracting key information from historical data are briefly summarized. We mention different sources of heterogeneity and potential pitfalls in utilizing historical records. Second, we discuss how smallpox spreads in the absence of interventions and how the optimal timing of quarantine and isolation measures can be determined. Case studies demonstrate the following. (1) The upper confidence limit of the 99th percentile of the incubation period is 22.2 days, suggesting that quarantine should last 23 days. (2) The highest frequency (61.8%) of secondary transmissions occurs 3?5 days after onset of fever so that infected individuals should be isolated before the appearance of rash. (3) The U-shaped age-specific case fatality implies a vulnerability of infants and elderly among non-immune individuals. Estimates of the transmission potential are subsequently reviewed, followed by an assessment of vaccination effects and of the expected effectiveness of interventions. Conclusion: Current debates on bio-terrorism preparedness indicate that public health decision making must account for the complex interplay and balance between vaccination strategies and other public health measures (e.g. case isolation and contact tracing) taking into account the frequency of adverse events to vaccination. In this review, we summarize what has already been clarified and point out needs to analyze previous smallpox outbreaks systematically. | |
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| • | University of Oxford: Postdoctoral Research Assistant |
| Postdoctoral Research Assistant, University of Oxford, Oxford, United Kingdom. Posted on 25 July 2007. | |
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| • | Rescue robot exercise brings together robots, developers, first responders |
| (National Institute of Standards and Technology (NIST)) NIST held a rescue robot exercise in Texas last week in which about three dozen robots were tested by developers and first responders in order to develop a standard suite of performance tests to help evaluate candidate mechanical rescuers. | |
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| • | canadiangeographic.ca - Canadian Geographic Magazine: Maps, Travel, Photographs, Geography Contests, and Canadian Geographic Magazine Subscriptions |
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| • | Meade Model 8300 Stereo Microscope - Stereoscopic Microscope 08300 w ... |
| Meade Model 8300 Stereo Microscope - Stereoscopic Microscope 08300 w/ FREE UPS | |
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American Journal of Neuroradiology
By editor@_DOMAIN - Copyright 2008 by the American Association for the Advancement of Science - version: v1.5 build A
By editor@_DOMAIN - Copyright 2008 by the American Association for the Advancement of Science - version: v1.5 build A