Figure 13From: Possible contribution of endogenous carbon monoxide to the development of allergic rhinitis in guinea pigsCorrelation between concentration of COHb and HO-1 mRNA expression level. Pearson Correlation was used to analyze the relationship between the level of HO-1 mRNA and concentration of COHb. There was a high significant direct relationship between them (r = 0.803, P = 0.001).Back to article page