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. Author manuscript; available in PMC: 2019 May 1.
Published in final edited form as: Pain. 2018 May;159(5):864–875. doi: 10.1097/j.pain.0000000000001155

Figure 1.

Figure 1

Schematic depicting the protocol used to evaluate the expression and induction of Type II hyperalgesic priming (OIH and prolongation of PGE2-induced hyperalgesia) induced by repeated exposure to DAMGO.