Vaccines mistakenly substituted for PPD include tetanus toxoid and diphtheria and tetanus toxoids. As of March 2004, 100 patients in 21 states had been identified as receiving a tetanus toxoid ...
Background: Finding alternative hair dyes for individuals allergic to para-phenylenediamine (PPD) has been difficult. Newer permanent and demipermanent hair dyes that have replaced PPD with para ...
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