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. Author manuscript; available in PMC: 2018 Aug 30.
Published in final edited form as: Brain Res Rev. 2007 Jun 2;57(2):277–287. doi: 10.1016/j.brainresrev.2007.05.006

Figure 1.

Figure 1

Dynamics of GnRH surge in the portal vasculature of two ovariectomized, estrogen-treated ewes. Adapted from Caraty, A., Locatelli, A. and Martin, G. B., 1989, Journal of Endocrinology. 123, 375-382 © Society for Endocrinology (1989). Reproduced by permission.