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Time course of Zif268 expression in the superficial dorsal horn after CFA injection. Pictures show typical Zif268 immunoreactivity in the dorsal horn, ipsilateral to the injection, before (naïve) and 30 min, 1 h, 2 h, 6 h and 24 h after CFA injection in the hind paw. Scale bars, 50 μm.
