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  • 1
    Electronic Resource
    Electronic Resource
    Unique display of a pathologic karyotype in Hodgkin's disease by Reed-Sternberg cells
    Amsterdam : Elsevier
    Cancer Genetics and Cytogenetics 34 (1988), S. 305-311 
    Details
    ISSN: 0165-4608
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0165-4608(88)90277-4
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    55 Cytogenetic analysis and DNA-measurements in malignant melanoma
    Amsterdam : Elsevier
    Cancer Genetics and Cytogenetics 28 (1987), S. 43 
    Details
    ISSN: 0165-4608
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0165-4608(87)90334-7
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Increased frequency of activated T-cells in the Helicobacter pylori-infected antrum and duodenum (2003)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS immunology and medical microbiology 36 (2003), S. 0 
    Details
    ISSN: 1574-695X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: Helicobacter pylori colonize the human stomach and duodenum. The infection has been shown to induce a strong T-cell response in the stomach, whereas the response within the duodenum has been poorly characterized. Furthermore, it remains to be elucidated whether the T-cell response may contribute to ulcer formation in the host. In this study, the frequency of different T-cell subsets, their degree of activation and expression of co-stimulatory receptors in biopsies from the duodenum as well as the antrum were studied by immunohistochemistry and flow cytometry. It was also evaluated whether there are differences in the T-cell responses between duodenal ulcer patients and asymptomatic carriers that might explain why only 10–15% of the infected subjects develop duodenal ulcers. The frequencies of CD4+, CD8+ and CD45RO+, i.e. memory T-cells, were significantly increased in the antrum, and the number of CD25+ cells was considerably higher in both the antrum and duodenum of duodenal ulcer patients and asymptomatic carriers as compared to uninfected individuals. Interestingly, the levels of immunosuppressive CTLA-4+ cells were significantly higher in the duodenum of duodenal ulcer patients, as compared to the asymptomatic carriers. H. pylori cause activation of T-cells in the duodenum as well as in the stomach. Our observation of higher levels of CTLA-4+ cells in the duodenum of duodenal ulcer patients than in the asymptomatic carriers suggests that a suppressive T-cell response may be related to the development of duodenal ulcers.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/S0928-8244(03)00026-9
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    The vessels of the rabbit trachea and ischemia caused by cuff pressure (1977)
    Springer
    European archives of oto-rhino-laryngology and head & neck 215 (1977), S. 11-24 
    Details
    ISSN: 1434-4726
    Keywords: Vessels ; Rabbit ; Trachea ; Cuff induced ischemia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary By intraarterial injection of silicone rubber we visualized the main feeding vessels of the rabbit trachea. They originate from the right subclavian artery and supply bilateral longitudinal tracheo-esophageal arteries. These lie in the groove between the trachea and the esophagus, giving off numerous segmental branches to both of these organs. In the trachea these pass submucosally between the tracheal cartilages, feeding a rich capillary network within the mucosa. The membranous part of the trachea is extremely well supplied with vessels, originating in arteries running longitudinally in the space between the trachea and the esophagus. The mucosa contains many sinusoidal ectasias, forming an almost cavernous arrangement in the tracheal wall. It is probable that these vessels are of great importance for the conditioning of inhaled air. Experimental studies on intubated animals have shown that a large-volume tracheal tube cuff, inflated to a pressure of 50 mm Hg, decreases or completely hinders capillary silicone rubber perfusion of the tracheal mucosa.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00463187
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Seismic hazard assessment for Guatemala City (1996)
    Springer
    Natural hazards 14 (1996), S. 189-205 
    Details
    ISSN: 1573-0840
    Keywords: Central America ; probabilistic seismic hazard ; peak ground acceleration ; fault and area sources ; logic tree model
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geography , Geosciences
    Notes: Abstract Guatemala is one of the Central American countries that for some years now have been participating in a regional program for natural hazard assessment and disaster reduction, funded by the Nordic countries and coordinated by a regional institution (CEPREDENAC Centro de Coordinacion para la Prevencion de Desastres Naturales en America Central ). Recent work related to seismic hazard has included the standardization, reporting and processing of seismicity data across the borders, followed by regional hazard modeling. The work presented here for Guatemala City represents a step from a regional to a more local level, based on reevaluation of historical seismicity, geological data related to active faults, and attenuation relations recently derived from analysis of strong motion records from the region. The site specific hazard calculations indicate that expected values of peak ground acceleration are ranging from less than 2 to more than 6 m s−2, corresponding to annual exceedence probabilities ranging from 0.1 to 0.001, respectively.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00128266
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Tracheal reconstruction with muscle-periosteum-bone flap (1977)
    Springer
    European journal of plastic surgery 4 (1977), S. 35-40 
    Details
    ISSN: 1435-0130
    Keywords: Trachea ; Stenosis ; Larynx ; Reconstruction ; Composite flap
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A flap composed of the clavicular head of the sternocleidomastoid muscle attached to periosteum and a thin curved bone disc from the medial part of the clavicle was used to provide supporting tissue for reconstruction of the upper trachea. The bone-periosteum disc served well as a tracheal wall support and was not resorbed. This kind of composite flap is also suggested as suitable for laryngeal reconstructive surgery. A partly unsolved problem, however, is to provide the transplant area with a proper epithelial lining.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00263282
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    Paper (German National Licenses)
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