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. 2004 Sep;48(9):3610–3612. doi: 10.1128/AAC.48.9.3610-3612.2004

TABLE 1.

Reproduciblity of the VSV cytopathic effect reduction assay

PEG-IFN solution titer (IU/ml) Measured titer (IU/ml)a Coefficient of variation (%)
12 16.1 ± 4.9 30
25 32.2 ± 9.8 30
50 57.3 ± 17.4 30
100 89.6 ± 20 22
250 175 ± 0 0
a

Values are means ± standard deviations of six determinations.