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Article
Anaerobic threshold and the oxygen consumption–cardiac output relationship during exercise
There is some evidence that, above anaerobic threshold (AT), the arteriovenous oxygen difference may increase due to a reduced hemoglobin affinity for oxygen. Thus, it should be expected that above AT, the oxy...
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Article
Responsiveness of human natural killer cells during acute, incremental exercise up to exhaustion
Eight healthy male subjects performed a cycle ergometer incremental exercise up to exhaustion to study possible relationships between excess CO2 production (CO2-exc) and natural killer (NK) cells, measured in ter...
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Article
Effects of long-lasting stimulation of extensor muscle nerves on pulmonary ventilation in cats
Increments in pulmonary ventilation were shown to occur in anaesthetized cats during long-lasting stimulation of a peripherally cut extensor muscle nerve at maximal intensity for group I afferent fibers. Howev...
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Article
Respiratory responses to stimulation of large fibers afferent from muscle receptors in cats
Experiments were carried out on cats to re-examine the respiratory effects of the stimulation of the large afferent fibers originating in the receptors of the hindlimb muscles. During the contraction of the tr...
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Article
Evidence for a correlation between the latency of an early component of auditory evoked potentials and the brain levels of serotonin in albino rats
Changes in brain serotonin levels are correlated with the latency of an early component of auditory evoked potentials (EAEP) in rats. In fact 5-hidroxytryptophan provokes an increase both in serotonin brain sy...