Additional file 1.
Time-course of clinical arthritic score in AIA and nor-NOHA-treated AIA rats. AIA rats were monitored seven days per week in a blinded fashion for clinical signs of arthritis. Day 0 = day of injection with Mycobacterium butyricum. The nor-NOHA treatment was started with the first clinical signs of arthritis. n = 20 rats per group. NS, Non-significant.
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Prati et al. Arthritis Research & Therapy 2012 14:R130 doi:10.1186/ar3860