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. 2017 Jan 11;17:59. doi: 10.1186/s12879-016-2104-z

Fig. 2.

Fig. 2

Detection of specific IgG antibodies in sera of vaccinated mice. Sera was collected 2 days before each immunization and determined using ELISA. All samples were performed four times. The results are mean of 27 mice per group and expressed as the mean of the optical density of 490 ± SD. * P < 0.05, as compared with PBS and pEGFP-C1; # P < 0.05, as compared with ROM4 or peptide; & P < 0.05, as compared with pSAG1