No interference of task complexity with circadian rhythmicity in a constant routine protocol

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      <subfield code="a">Van Eekelen, Alexander P. J.</subfield>
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      <subfield code="a">The present study varied task demands systematically within  a single task , using a constant routine protocol to examine the unmasked influence of the endogneous circadian oscillator on the periodicity of performance</subfield>
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      <subfield code="g">Vol. 46, nº 15, December 2003 ; p. 1578-1593</subfield>
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