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Figure 4 | Journal of Ovarian Research

Figure 4

From: Seasonal changes in expression of nerve growth factor and its receptors TrkA and p75 in the ovary of wild ground squirrel (Citellus dauricus Brandt)

Figure 4

Seasonal change of the plasma concentration of LH, FSH, estradiol-17β and progesterone. Plasma LH (a), FSH (b), estradiol-17β (c), and progesterone (d) levels in the wild ground squirrel during breeding period (B) and nonbreeding period (NB). Bars represent means + SD for five independent experiments. Means within the columns marked with different letters indicate significant difference (P < 0.01).

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