title: [Are contact allergies increasing?].
authors.forename: H
authors.initials: H
authors.lastname: Ippen
mesh_terms: D003430:Cross-Sectional Studies; D003877:Dermatitis, Contact / Q000453:epidemiology*; D005860:Germany, West; D006801:Humans; D010328:Patch Tests / Q000592:standards; D012042:Registries
vernacular_title: Nehmen die Kontaktallergien zu?