title: [Quality control surveys by the Foundation of the German Pollen Report Service].
authors.forename: H
authors.initials: H
authors.lastname: Winkler
authors.forename: E
authors.initials: E
authors.lastname: Kainka
authors.forename: H
authors.initials: H
authors.lastname: Müsken
mesh_terms: D000485:Allergens / Q000032:analysis*; D005582:Foundations; D005858:Germany; D011058:Pollen / Q000276:immunology*; D011786:Quality Control; D015203:Reproducibility of Results; D012621:Seasons
chemical_list: D000485:Allergens