| 摘要 |
Potentially irritant or allergenic test materials are incorporated into predetermined areas ( 12 ) of a temporary tattoo ( 30 ) which is applied to skin ( 31 ). After a few days the tattoo ( 30 ) is removed and the exposed skin is examined. Reddened areas ( 32,36 ) can be correlated with test materials that were present in overlying areas of the tattoo, e.g. by comparison with a map ( 40 ) and key.
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