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An outbreak of rubber fingerstall dermatitis in a Danish post office was found to be caused by minute amounts of isopropylphenyl-para-phenylenediamine (IPPD) in the fingerstalls. The presence of IPPD in the fingerstalls could not be explained by the manufacturer and had to be confirmed by gas chromatographic analysis.
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Roed‐Petersen et al. (1977) studied this question.
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