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Les ammoniums quaternaires sont des détergents cationiques très utilisés comme désinfectants pour de multiples usages. Ils sont classiquement des irritants mais peuvent également provoquer des manifestations irritatives tardives parfois difficiles à distinguer de véritables réactions allergiques tant sur le plan clinique que lors de la réalisation de tests épicutanés. Le chlorure de benzalkonium est...
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