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Results: 113
Number of items: 113
  • Nagtegaal, J. E., Peeters, A. B. H., Swart, A. C. W., Smits, M. G., Kerkhof, G. A., & van der Meer, Y. G. (1997). Correlation between concentrations of melatonin in saliva and serum in patients with delayed sleep phase syndrome. Therapeutic Drug Monitoring.
  • Kerkhof, G. A. (1997). Werken met de biologische klok. Neuropraxis, 1, 4-12.
  • Kerkhof, G. A. (1997). De zomertijd moet op woensdag ingaan. Brabants Dagblad.
  • Kerkhof, G. A. (1997). Werktijden en de biologische klok. Arts & Bedrijf, 3, 2-6.
  • Kramer, C. J., Kerkhof, G. A., & Hofman, W. F. (1997). Transitions from wakefulness to sleep at different times of day: ols vs. young subjects. Biological Rhythm Research.
  • van Dongen, H. P. A., Kerkhof, G. A., & Kloppel, H. B. (1997). Seasonal covariation of the circadian phases of rectal temperature and slow wave sleep onset. Journal of Sleep Research, 6, 19-25. https://doi.org/10.1046/j.1365-2869.1997.00021.x
  • van den Berg, M., Kerkhof, G. A., & Kramer, C. J. (1997). The long-term effects of chronic use of canabis products on the circadian rhythms in alertness and performance. In D. G. M. Beersma (Ed.), Sleep-wake research in the Netherlands (pp. 25-28). Drukkerij Elinkwijk B.V..
  • Kramer, C. J., Hofman, W. F., Elton, M. R., & Kerkhof, G. A. (1996). The augmentingreducing paradigm studies with visually evoked potentials in normal aging. Journal of Psychophysiology, 10, 319-325.
  • Kerkhof, G. A. (1996). Een dutje op het werk. Psychologie, 15, 50-51.
  • Verkes, R. J., Kerkhof, G. A., Beld, E., Hengeveld, M. W., & van Kempen, G. M. J. (1996). Suicidality, circadian activity rhythms and platelet serotonergic measures in patients with recurrent suicidal behaviour. Acta Psychiatrica Scandinavica, 93, 27-34. https://doi.org/10.1111/j.1600-0447.1996.tb10615.x
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