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. Author manuscript; available in PMC: 2009 Jul 1.
Published in final edited form as: Neurobiol Learn Mem. 2008 May 1;90(1):171–177. doi: 10.1016/j.nlm.2008.03.005

Fig. 1.

Fig. 1

The mean (± sem) percentage of spontaneous alternations made in the spontaneous alternation task of ovariectomized mice injected with vehicle (veh; open bar; n = 11) or progesterone (P4; closed bar; n = 13) 1 h before testing. * vs. vehicle condition, P < 0.05.