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. 2005 Sep;79(17):11547–11551. doi: 10.1128/JVI.79.17.11547-11551.2005

FIG. 4.

FIG. 4.

MV-specific VN antibody levels after two consecutive 3-day culture periods on Mel-JuSo cells, as described in the legend to Fig. 2. VN antibody levels were determined by endpoint neutralization of a 50% cell culture infectious dose of 60 MV-Edmonston (12) and are expressed in international units (IU) per ml.