title: Allergen immunotherapy in historical perspective.
authors.affiliation: Office of the Director, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, USA.
authors.forename: Sheldon G
authors.initials: SG
authors.lastname: Cohen
authors.forename: Evans
authors.initials: E
authors.lastname: Richard
mesh_terms: D000485:Allergens / Q000266:history; D001428:Bacterial Vaccines / Q000266:history; D003888:Desensitization, Immunologic / Q000266:history*; D049668:History, 15th Century; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D049691:History, Medieval; D006967:Hypersensitivity / Q000266:history* / Q000628:therapy; D007109:Immunity; D006255:Rhinitis, Allergic, Seasonal / Q000266:history* / Q000628:therapy
chemical_list: D000485:Allergens; D001428:Bacterial Vaccines