Fig. 4From: Anti-inflammatory and anti-nociceptive effects of Cinnamon and Clove essential oils nanogels: an in vivo studyComparison of acute and chronic phases results of formalin test after treatment with distilled water (D.W.: control group), cinnamon-NG, and clove-NG. Each value represents mean ± SEM, *P < 0.05, **P < 0.01, ***P < 0.001Back to article page