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Circadian Rhythm
Photoperiod
Rats
Sprague Dawley Rats
Chickens
Newborn Animals
Inbred Strains Rats
Cells, Cultured
Pineal Gland
Suprachiasmatic Nucleus
Anterior Pituitary Gland
Melatonin
Activins
Inhibins
Growth Substances
Follicle Stimulating Hormone
Motor Activity
Darkness
Light
Arousal
Co-Publications
12
4
3
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