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    Article

    The continuous high-precision measurement of the density of flowing blood

    The “mechanical oscillator” technique for the measurement of the density of fluids is based on the influence of mass on the natural frequency of a mechanical oscillator. The practical application of this princ...

    Thomas Kenner, Hans Leopold, Helmut Hinghofer-Szalkay in Pflügers Archiv (1977)

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    Article

    Spectral analysis of spontaneous contractions of the isolated portal vein of rats

    The spontaneous contractions of segments of rat portal veins have been examined in vitro under isotonic and isometric conditions. The power density spectra of recorded time series lasting 10–60 min were calcul...

    Helmut Hinghofer-Szalkay, Thomas Kenner, Willibald Estelberger in Pflügers Archiv (1976)