Patch Test 2
Patch Test 2 : A test of skin sensitiveness: a small piece of paper, tape, or a cup, wet with CO non-irritating diluted test fluid, is applied to skin of the upper back or upper outer arm and after 48 hours the area previously covered is compared with the uncovered surface; an erythematous reaction with vesicles occurs if the substance causes contact allergy. See: Photo-Patch Test. (An OSH glossary used in safety and health at work which is, adopted by ILO
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