title: Regulatory control and standardization of allergenic extracts. Fifth International Paul-Ehrlich-Seminar. September 2-4, 1987, Frankfurt. Dedicated to Morris Schaeffer, Ph.D., M.D.
mesh_terms: D000485:Allergens / Q000592:standards*; D000486:Allergy and Immunology / Q000266:history; D049673:History, 20th Century; D006801:Humans; D007880:Legislation, Drug; D014481:United States
chemical_list: D000485:Allergens