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Figure 2 | Journal of Circadian Rhythms

Figure 2

From: 24-hour changes in circulating prolactin, follicle-stimulating hormone, luteinizing hormone and testosterone in male rats subjected to social isolation

Figure 2

Effect of isolation on 24-h changes of plasma FSH concentration in young male rats. Groups of 6–8 rats were killed by decapitation at 6 different time intervals throughout a 24 h cycle. Values at 0900 point are repeated on the "second" day. Bar indicates scotophase duration. Shown are the means ± SEM. For further statistical analysis, see text.

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