title: Multiple positive allergic reactions from patch testing to p-phenylenediamine and azo dyes. Is this a frequent risk and can it be reduced?
authors.affiliation: Whiston Hospital, Prescot, UK. swinhoven@doctors.org.uk
authors.forename: S M
authors.initials: SM
authors.lastname: Winhoven
authors.forename: K J
authors.initials: KJ
authors.lastname: Rutter
authors.forename: M H
authors.initials: MH
authors.lastname: Beck
mesh_terms: D000485:Allergens / Q000009:adverse effects* / Q000276:immunology; D001386:Azides / Q000009:adverse effects / Q000276:immunology; D004396:Coloring Agents / Q000009:adverse effects*; D003429:Cross Reactions; D017449:Dermatitis, Allergic Contact / Q000175:diagnosis / Q000453:epidemiology* / Q000209:etiology / Q000276:immunology; D004739:England / Q000453:epidemiology; D006801:Humans; D010328:Patch Tests / Q000706:statistics & numerical data; D010655:Phenylenediamines / Q000009:adverse effects* / Q000276:immunology; D012307:Risk Factors
chemical_list: D000485:Allergens; D001386:Azides; D004396:Coloring Agents; D010655:Phenylenediamines; C029728:4-phenylenediamine