Figure 2From: Seroepidemiological analysis of toxoplasmosis in college studentsQuantitative reactivity and linear regression analysis of IgG anti-T. gondiiin 112 serum samples from university students using ELISA with chromogen substrate OPD and ABTS. Interruptions in the axes show the thresholds of positivity of the assays (ELISA OPD cutoff = 0.486 and ELISA ABTS cutoff = 0.239).Back to article page