Fig. 2From: Characterization of endocannabinoids and related acylethanolamides in the synovial fluid of dogs with osteoarthritis: a pilot studyIL-1 beta and TNF-alpha levels were measured in SFs from contralateral (white histograms) and OA (black/grey histograms) joints by ELISA. Data are reported as arithmetic mean ± SEMBack to article page