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  • 1
    Electronic Resource
    Electronic Resource
    Der Zustand des Neugeborenen nach operativer vaginaler Entbindung in Abhängigkeit von der Indikation und dem Verlauf der Austreibungsperiode (1977)
    Springer
    Archives of gynecology and obstetrics 224 (1977), S. 248-249 
    Details
    ISSN: 1432-0711
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00679542
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Residence time of sulfur dioxide in the marine atmosphere (1975)
    Springer
    Pure and applied geophysics 113 (1975), S. 489-500 
    Details
    ISSN: 1420-9136
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Summary New measurements of SO2 and sulfate aerosol concentrations were obtained during April, 1974, in a series of observations made along the French Mediterranean coast, inland and at sea. By comparing the variations in the concentrations of these substances with variations in the concentrations of Radon 222 and Lead 212, which were measured concurrently, we have found that the residence time for SO2 in the Mediterranean marine atmosphere is approximately one-half day. This figure is an upper limit, valid for the calm weather conditions which prevailed during the observations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01592934
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Interaction between yohimbine alkaloids and amphetamine in mice (1977)
    Springer
    Psychopharmacology 51 (1977), S. 209-212 
    Details
    ISSN: 1432-2072
    Keywords: Yohimbine ; Beta-yohimbine ; Corynanthine ; Amphetamine ; Toxicity in mice ; Drug interaction ; Anxiety
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The toxicity (LD50) of the isomers yohimbine, beta-yohimbine, and corynanthine was determined in mice. The LD50 of amphetamine in the presence of a constant dose of a yohimbine isomer and that of the isomer in the presence of a constant dose of amphetamine were determined in aggregated mice. Isobolograms were constructed from these data and used to evaluate the interaction of the yohimbine alkaloids and amphetamine. Beta-yohimbine was found to be approximately twice as toxic as yohimbine and corynanthine about one fifth as toxic. There was a mutual potentiation between the toxicities of yohimbine and amphetamine. Potentiation of the toxicity of amphetamine occurred with beta-yohimbine but the effect was not as marked as with yohimbine. In contrast, corynanthine antagonized the toxicity of amphetamine. The interaction between yohimbine and amphetamine is unlikely to be due to noradrenergic mechanisms but could conceivably involve serotonergic or dopaminergic mechanisms.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00431743
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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