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. 1997 Dec 23;94(26):14626–14631. doi: 10.1073/pnas.94.26.14626

Figure 1.

Figure 1

Influence of the route of administration on the OVA-specific IgG responses. BALB/c mice were immunized i.m. or i.d. with 100 μg CIGH-OVA (DNA) or the indicated dose of OVA protein (protein) in normal saline. Sera were obtained at 2 and 4 weeks post-initial immunization (day 0) and stored at −20°C until assayed for OVA-specific IgG in an ELISA. Titers were defined as the highest dilution to give a 0.2 OD at 450 nm. Results are expressed as the mean of the log10 titer ± SEM from five mice in each group.