Figure 1From: Association of autoantibodies against the M2-muscarinic receptor with perinatal outcomes in women with severe preeclampsiaThe sensitivity and specificity of the ELISA assay. The curve of positive patients (3 randomly selected samples) was in good correspondence with the curve for the positive control blood sample, and the similar result was found in negative samples. There was a great difference in response between patients positive and those negative to the M2-AAB.Back to article page