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. 1998 Jan 15;18(2):713–719. doi: 10.1523/JNEUROSCI.18-02-00713.1998

Fig. 2.

Fig. 2.

Time course of serum LH concentrations (A), relative levels of c-fos mRNA (B), relative levels of galanin mRNA (C), and relative levels of GnRH mRNA (D) in estrogen- and progesterone-primed ovariectomized rats during a 30 hr period bracketing the time of the expected LH surge (experiment 2). Values represent the mean ± SEM of four to six animals per group. Values with differentletters are significantly different from one another (p < 0.05). Values with the sameletter are not significantly different from one another (p > 0.05). The dashed lineindicates the time of the peak of the LH surge.