Skin tests in which the sensitizer is applied to a patch of cotton cloth or gauze held in place for approximately 48-72 hours. It is used for the elicitation of a contact hypersensitivity reaction.
    

concept

Die Einführung des Läppchentests durch den Breslauer Dermatologen Josef Jadassohn im Jahr 1895 / E. Fuchs, H. Schadewaldt.

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Patch Tests

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Die Einführung des Läppchentests durch den Breslauer Dermatologen Josef Jadassohn im Jahr 1895 / E. Fuchs, H. Schadewaldt.