title: The increase in p-phenylenediamine allergy in Denmark is not explained by an increase in contact allergy to para group chemicals.
authors.affiliation: Department of Dermato-Allergology, National Allergy Research Centre, Copenhagen University Hospital, Gentofte, University of Copenhagen, DK-2900 Hellerup, Denmark. jacpth01@geh.regionh.dk
authors.forename: Jacob P
authors.initials: JP
authors.lastname: Thyssen
authors.forename: Torkil
authors.initials: T
authors.lastname: Menné
authors.forename: Jeanne D
authors.initials: JD
authors.lastname: Johansen
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D002648:Child; D002675:Child, Preschool; D004396:Coloring Agents / Q000009:adverse effects*; D003718:Denmark / Q000453:epidemiology; D003872:Dermatitis / Q000453:epidemiology* / Q000209:etiology*; D006801:Humans; D006967:Hypersensitivity / Q000453:epidemiology* / Q000209:etiology*; D008297:Male; D008875:Middle Aged; D010328:Patch Tests; D010655:Phenylenediamines / Q000009:adverse effects*; D055815:Young Adult
chemical_list: D004396:Coloring Agents; D010655:Phenylenediamines; C029728:4-phenylenediamine