title: The clinical and immunologic specificity of immunotherapy.
mesh_terms: D000328:Adult; D000918:Antibody Specificity; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D005260:Female; D006636:Histamine Release; D006801:Humans; D007167:Immunotherapy; D008297:Male; D008875:Middle Aged; D010919:Placebos; D006109:Poaceae; D011058:Pollen; D012130:Respiratory Hypersensitivity / Q000276:immunology / Q000628:therapy*; D012621:Seasons
chemical_list: D010919:Placebos