title: Immunotherapy in children: past, present, and future. (Part I).
mesh_terms: D000941:Antigens; D001249:Asthma / Q000188:drug therapy / Q000628:therapy; D002648:Child; D002675:Child, Preschool; D003888:Desensitization, Immunologic / Q000379:methods; D000939:Epitopes; D006801:Humans; D007167:Immunotherapy; D006255:Rhinitis, Allergic, Seasonal / Q000628:therapy
chemical_list: D000941:Antigens; D000939:Epitopes