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. Author manuscript; available in PMC: 2011 Jul 1.
Published in final edited form as: Behav Brain Res. 2010 Jun 9;216(1):19–28. doi: 10.1016/j.bbr.2010.06.004

Fig. 1.

Fig. 1

Two representative examples of scent marks left by adult male C57BL/6J (B6) mice with previous female experience exposed to fresh female urine. Male scent marks were visualized by ninhydrin spray and appear purple. The fresh female urine spot in the center is highlighted by a dashed circle.