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Publication Cover
Chronobiology International
The Journal of Biological and Medical Rhythm Research
Volume 19, 2002 - Issue 2
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Original

Sleep fragmentation in mentally retarded people decreases with increasing daylength in spring

Niki Lindblom Rinnekoti Sleep Research Centre, Rinnekoti Foundation, Kumputie 1, Espoo, FIN-02980, Finland; Department of Child Neurology, University of Helsinki, Helsinki, FinlandCorrespondence[email protected]
,
Hannu Heiskala Rinnekoti Sleep Research Centre, Rinnekoti Foundation, Kumputie 1, Espoo, FIN-02980, Finland; Department of Child Neurology, University of Helsinki, Helsinki, Finland
,
Markus Kaski Rinnekoti Sleep Research Centre, Rinnekoti Foundation, Kumputie 1, Espoo, FIN-02980, Finland
,
Lea Leinonen Rinnekoti Sleep Research Centre, Rinnekoti Foundation, Kumputie 1, Espoo, FIN-02980, Finland; Neural Networks Research Centre, University of Technology, Espoo, Finland
&
Maija-Liisa Laakso Rinnekoti Sleep Research Centre, Rinnekoti Foundation, Kumputie 1, Espoo, FIN-02980, Finland; Neural Networks Research Centre, University of Technology, Espoo, Finland
Pages 441-459 | Received 17 May 2001, Accepted 29 Oct 2001, Published online: 07 Jul 2009

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