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  • 1975-1979  (1)
  • 1960-1964  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Solar Flux Fluctuations at 225 Mc/s and Noise-level of Atmospherics at 27 Kc/s (1963)
    [s.l.] : Nature Publishing Group
    Nature 199 (1963), S. 363-364 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] For this purpose the Wolf relative number R is usually considered as an index of solar activity, and the absorption of the D layer during the processes of ionospheric reflexion as an index of the ionospheric effect2,3. In our work, two different parameters have been used instead: the level of the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/199363a0
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Chronic degeneration of aminergic nerve endings and blood-aqueous barrier (1979)
    Springer
    Graefe's archive for clinical and experimental ophthalmology 209 (1979), S. 225-230 
    Details
    ISSN: 1435-702X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Chemical sympathectomy of the anterior segment of the eye was performed in rabbits with 6-hydroxydopamine (6-OHDA) intravitreously injected. The response of the pupillary diameter (PD) and intraocular pressure (IOP) to NE, E and Isoproterenol was determined through instillation of the drugs in the pretreated and control eyes. The results were as follows: 1) Both PD and IOP at different intervals of time from the injection show a sharp decrease in the treated eye. 2) About four weeks after the injection, the instillation of NE and E increases the PD only in the 6-OHDA pretreated eyes, while IP administration is not effective on both control and pretreated eyes. 3) The instillation of the three drugs, while decreasing IOP in the control eyes, does not modify the already low IOP in the pretreated eyes. The authors suggest the presence of a postdenervation supersensitivity affecting only the α receptors, since the β stimulant IP is inactive in both treated and untreated eyes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00419056
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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