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Journal of Biological Rhythms|August 14, 1999
Natural entrainment without dawn and dusk: the case of the European ground squirrel (Spermophilus citellus)R A Hut, B E van Oort, S DaanPsychiatry Research|November 1, 1985
The timing of sleep in depression: theoretical considerationsD G Beersma, S Daan, R H Van den HoofdakkerPhysiological Zoology|November 3, 1998
Energy requirements for growth in relation to sexual size dimorphism in marsh harrier Circus aeruginosus nestlingsK L Krijgsveld, C Dijkstra, G H Visser, et al.Sleep|January 1, 1984
Distribution of REM latencies and other sleep phenomena in depression as explained by a single ultradian rhythm disturbanceD G Beersma, S Daan, R H Van den HoofdakkerChronobiology International|October 6, 2001
Temporal organization of feeding in Syrian hamsters with a genetically altered circadian periodM Oklejewicz, G J Overkamp, J A Stirland, et al.Proceedings of the National Academy of Sciences of the United States of America|September 1, 1975
An effect of castration and testosterone replacement on a circadian pacemaker in mice (Mus musculus)S Daan, D Damassa, C S Pittendrigh, et al.Neuroscience Letters|August 23, 2003
Interval timing in mice does not rely upon the circadian pacemakerP A Lewis, R C Miall, S Daan, et al.Journal of Biological Rhythms|September 19, 2007
Circadian response reduction in light and response restoration in darkness: a "skeleton" light pulse PRC study in mice (Mus musculus)M Comas, D G M Beersma, K Spoelstra, et al.Journal of Biological Rhythms|September 26, 2006
Phase and period responses of the circadian system of mice (Mus musculus) to light stimuli of different durationM Comas, D G M Beersma, K Spoelstra, et al.The Journal of Endocrinology|March 1, 1991
Variation in hypothalamic gonadotrophin-releasing hormone content, plasma and pituitary LH, and in-vitro testosterone release in a long-distance migratory bird, the garden warbler (Sylvia borin), under constant photoperiodsC K Bluhm, H Schwabl, I Schwabl, et al.Pageof 10