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Melatonin
Testosterone
Melatonin MT1 Receptor
Oestradiol
Melatonin MT2 Receptor
5-Methoxytryptamine
Sciuridae
Quail
Pineal Gland
Spleen
Testis
Lymphocytes
Thymus Gland
Reproduction
Seasons
Circadian Rhythm
Photoperiod
Organ Size
Lymphocyte Activation
Tropical Climate
Co-Publications
5
4
2
1
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