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EC number: 204-000-3
CAS number: 112-72-1
Table 1. Subjects showing erythema during
induction or challenge (subjects showing only negative results are not
0 No visible reaction and/or erythema;
+ Slight, confluent or patchy erythema; 1 Mild reaction, macular
erythema (faint pinkness); 2 Moderate reaction - macular erythema
(definite redness); d Dropped out
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