Stock Photo - Plaster fŸr epidermal testing with a variety of test substances to show if a contact allergy is existent . The plaster with its allergen substances like nickel or dye has to remain on the skin fŸr 48 hours .

Stock Photo: Plaster fŸr epidermal testing with a variety of test substances to show if a contact allergy is existent . The plaster with its allergen substances like nickel.

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