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  • 1
    Electronic Resource
    Electronic Resource
    Radio Spectra (1968)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Astronomy and Astrophysics 6 (1968), S. 321-350 
    Details
    ISSN: 0066-4146
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.aa.06.090168.001541
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  • 2
    Electronic Resource
    Electronic Resource
    Lunar Occultation of the Radio Source 3 C 273 (1964)
    [s.l.] : Nature Publishing Group
    Nature 201 (1964), S. 755-756 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE observation of the lunar occultation of 3C 273 by A Hazard, Mackey and Shimmins1 has led to a sequence of discoveries which are among the most exciting in radio astronomy. From the precise radio position obtained from these observations, the source has been identified as a ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/201755a0
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  • 3
    Electronic Resource
    Electronic Resource
    Amplitude Variations in Pulsed Radio Sources (1968)
    [s.l.] : Nature Publishing Group
    Nature 218 (1968), S. 920-922 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Refraction by irregularities in the interstellar medium may cause the long period fluctuations in the amplitudes of radio signals from the pulsed ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/218920a0
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  • 4
    Electronic Resource
    Electronic Resource
    Red-shift Magnitude Relation for Quasi-stellar Objects (1967)
    [s.l.] : Nature Publishing Group
    Nature 215 (1967), S. 919-922 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A red-shift magnitude correlation for quasi-stellar objects exists, but it does not imply a red-shift distance relation. If the red-shifts of quasi-stellar objects are cosmological their mean optical magnitude has changed with ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/215919a0
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  • 5
    Electronic Resource
    Electronic Resource
    Effect of Copper Loading on Uptake and Excretion of Copper-64 by Rat Liver (1964)
    [s.l.] : Nature Publishing Group
    Nature 201 (1964), S. 1135-1136 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SpragueDawley rats were given 11 daily intraperitoneal injections of 1.5 mg copper sulphate. They were injected subcutaneously with 31.5 mc. 64Cu (NO3)2 (specific activity 63,000 mc./g), 24 h after the last copper sulphate injection. Untreated rats received the same dose of isotope. Radioactivity ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/2011135a0
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  • 6
    Electronic Resource
    Electronic Resource
    A Sensitive Test for the Presence of Atomic Hydrogen in Intergalactic Space (1965)
    [s.l.] : Nature Publishing Group
    Nature 207 (1965), S. 963-963 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] According to Field1 (equation 11) radiation emitted at wave-lengths shorter than Lyman-oc is scattered: N = 2-4 x 1010 nH times while it is red-shifted through the Lyman-a line. (Field assumed that Hubble's constant is 180 km/sec Mpc, but the order of magnitude of N should be correct in any ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/207963a0
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  • 7
    Electronic Resource
    Electronic Resource
    Hepatic sinusoidal endothelium: Ulex lectin binding (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Histopathology 14 (1989), S. 0 
    Details
    ISSN: 1365-2559
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The sinusoidal endothelial cells of human liver can be identified by light and electron microscopy, but there appear to be no specific immunocytochemical markers of these cells. Among specific markers available for vascular endothelial cells in general, Ulex europaeus I lectin (UEA I) is the most sensitive. In the present study, 37 liver biopsies were examined for UEA I binding and for Factor VIII related antigen (F VIII RAg) to determine if sinusoidal endothelial cells were positive. The material included normal liver, biopsies from patients with cirrhosis and biopsies in a variety of other liver diseases. Three embryonal human livers were also included in the immunocytochemical analysis. Eleven oesophageal rings obtained at mechanical transection for variceal bleeding in cirrhotic patients were used as control tissue. Sinusoidal endothelial cells of normal liver did not stain with UEA I, but six of seven with alcoholic cirrhosis and only one of 25 non-cirrhotic liver specimens (a case of acute hepatitis with bridging necrosis) were positive. In two of the six cirrhoses the sinusoidal endothelial cells were stained for F VIII RAg as well. Embryonal sinusoidal endothelial cells were stained with UEA I but were negative for F VIII RAg. The results of the study confirm that sinusoidal endothelial cells of normal adult human liver are phenotypically different from those lining blood vessels in other sites. In cirrhosis, positive staining may be related to the transformation of hepatic sinusoids into true capillaries and thus be a marker of the severity of physiological disturbance in the liver.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2559.1989.tb02142.x
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  • 8
    Electronic Resource
    Electronic Resource
    The diagnostic significance of periportal hepatic necrosis and inflammation (1988)
    Oxford, UK : Blackwell Publishing Ltd
    Histopathology 12 (1988), S. 0 
    Details
    ISSN: 1365-2559
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: In this review the several types of cell damage and cell death which may be found in liver biopsy specimens are defined. We describe the different processes which occur at the portal/parenchymal or septal/parenchymal interface, viz. periportal spillover, periportal hepatitis, classic or lymphocytic piecemeal necrosis and biliary piecemeal necrosis. The diagnostic implications of these lesions in relation to the clinicopathological diagnosis and prognosis in various liver diseases are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2559.1988.tb01982.x
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  • 9
    Electronic Resource
    Electronic Resource
    Hepatic fibrosis and collapse: histological distinction by orcein staining (1980)
    Oxford, UK : Blackwell Publishing Ltd
    Histopathology 4 (1980), S. 0 
    Details
    ISSN: 1365-2559
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Collapse of liver parenchyma, as seen in acute hepatitis with bridging necrosis, can be distinguished from new fibre formation in chronic liver disease by orcein staining. This shows abundant elastic fibres in association with fibrosis, but not in areas of collapse.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2559.1980.tb02943.x
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  • 10
    Electronic Resource
    Electronic Resource
    Chronic hepatitis: a problem for the pathologist (1977)
    Oxford, UK : Blackwell Publishing Ltd
    Histopathology 1 (1977), S. 0 
    Details
    ISSN: 1365-2559
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The accepted histological categories of chronic hepatitis are chronic persistent hepatitis (CPH) and chronic active or aggressive hepatitis (CAH). A third form, chronic lobular hepatitis (CLH), encompasses those cases in which the lesion is predominantly within the lobules and in which portal and periportal inflammation are mild, CLH has many synonyms. International agreement on a reproducible and rational nomenclature of chronic hepatitis is still far from complete. CPH is characterized by portal inflammation. Histological definition is simple, but there are diagnostic pitfalls. The category may need subdivision on the basis of immunological studies. CAH should be regarded as a complex rather than a single disease, and it is important to specify the aetiology and pathological components in each instance. The concept of CAH must be altered to incorporate the lesion bridging hepatic necrosis (BHN). Piecemeal necrosis, accompanied by inflammatory infiltration, is considered to be the most important of the various pathogenetic factors in CAH, but BHN probably plays a significant part in accelerating the development of cirrhosis. An excessive portal and periportal inflammatory reaction with or without BHN, in a liver biopsy taken during the course of an acute hepatitis, helps to predict a possible chronic course.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2559.1977.tb01640.x
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