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. 2018 Jan 3;18:17. doi: 10.1186/s12885-017-3905-1

Fig. 1.

Fig. 1

Enzyme-linked immunosorbent assay (ELISA) of serum IgG and IgA antibodies to P. gingivalis in healthy controls (n = 80), patients with esophagitis (n = 50) and ESCC (n = 96). a Scatter plots of ELISA units (EUs) of P. gingivalis IgG antibody in serum of healthy controls, patients with esophagitis and ESCC. b Scatter plots of ELISA units (EUs) of P. gingivalis IgA antibody in serum of healthy controls, patients with esophagitis and ESCC