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Showing 1 to 4 of 4 for “"schrittmacher"”.

  1. DDD- und VDD-Schrittmacher-Therapie: Einfluß der oberen Grenzfrequenz auf die kardiale Leistungsfähigkeit

    The variation of heart rate is the most significant factor of cardiac output during exercise conditions. The influence of the upper tracking rate on cardiac performance was investigated at a sample of twenty patients having a dual chamber pacemaker implanted for high degree AV block. At randomly …

    aachen Repository record for DDD- und VDD-Schrittmacher-Therapie: Einfluß der oberen Grenzfrequenz auf die kardiale Leistungsfähigkeit (opens in a new tab)

  2. Possible Influences of Circadian Melatonin on the Function of Neurosecretory Neurons and Serotonin-Modulated Behavior on Crayfish.

    … agonistische Verhalten durch circadiane Schrittmacher kontrolliert wird, habe ich Gruppen von parthenogenetisch reproduzierenden Marmorkrebsen (Procambarus spec.) unter verschiedenen Beleuchtungsbedingungen beobachtet. Wie andere Krebse auch, zeigten isolierte Marmorkrebse rhythmische …

    goettingen Repository record for Possible Influences of Circadian Melatonin on the Function of Neurosecretory Neurons and Serotonin-Modulated Behavior on Crayfish. (opens in a new tab)