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Table 2 Toxicity scores of the hydrogel extracts

From: A pH-triggered self-releasing humic acid hydrogel loaded with porcine interferon α/γ achieves anti-pseudorabies virus effects by oral administration

Score

RGR (%)

0

 ≥ 100

1

75 ~ 99

2

50 ~ 74

3

25 ~ 49

4

1 ~ 24

  1. RGR = (OD of test group/OD of control group) × 100%.