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Fig. 2 | Arthritis Research & Therapy

Fig. 2

From: Concurrent validity of different functional and neuroproteomic pain assessment methods in the rat osteoarthritis monosodium iodoacetate (MIA) model

Fig. 2

Place escape/avoidance paradigm operant test repeatability (least squares mean ± standard error of the mean). A group of five animals underwent the place escape/avoidance parading operant test (percentage of the time spent on the dark side) over a 20-minute (period 1 = 0–5 minutes, period 2 = 5–10 minutes, period 3 = 10–15 minutes, and period 4 = 15–20 minutes) daily from days 1 to 15, and then on days 18 and 25. a,b,c Significant inter-period differences (adjusted P value ≤0.0216)

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