Dissecting circadian performance rhythms : implications for shiftwork

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      <subfield code="a">Dissecting circadian performance rhythms</subfield>
      <subfield code="b">: implications for shiftwork</subfield>
      <subfield code="c">Simon Folkard... [et al.]</subfield>
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      <subfield code="a">The present paper is concerned with this third potential contributor to impaired safety on shift systems. The present study was the first in an on-going series designed to examine the relative contribution of the exogenous "masking" effects and the endogenous c.25h circadian oscillator to the circadian rhythms in rated alertness and a range of performance speed and accuracy measures</subfield>
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      <subfield code="t">Ergonomics</subfield>
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      <subfield code="g">Vol. 36, nº 1-3, January-March 1993 ; p. 283-288</subfield>
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