Media type: E-Article Title: Purification and Characterization of Allergen Preparations and Standardization of Materials and Methods in Allergy Contributor: Aas, Kjell imprint: Wiley, 1980 Published in: Allergy Language: English DOI: 10.1111/j.1398-9995.1980.tb01733.x ISSN: 0105-4538; 1398-9995 Keywords: Immunology ; Immunology and Allergy Origination: Footnote: