title: Studies on allergoids from naturally occurring allergens. IV. Efficacy and safety of long-term allergoid treatment of ragweed hay fever.
mesh_terms: D000328:Adult; D000485:Allergens / Q000276:immunology* / Q000592:standards / Q000633:toxicity; D000917:Antibody Formation; D000941:Antigens / Q000592:standards; D001667:Binding, Competitive; D002986:Clinical Trials as Topic; D003888:Desensitization, Immunologic; D004306:Dose-Response Relationship, Immunologic; D004311:Double-Blind Method; D004341:Drug Evaluation; D005260:Female; D006801:Humans; D007074:Immunoglobulin G; D008297:Male; D008875:Middle Aged; D006255:Rhinitis, Allergic, Seasonal / Q000188:drug therapy*
chemical_list: D000485:Allergens; D000941:Antigens; D007074:Immunoglobulin G