title: Grass pollen hyposensitization versus placebo therapy. II. Immunotherapy-induced changes in serum IgE and IgG levels.
mesh_terms: D002986:Clinical Trials as Topic; D003888:Desensitization, Immunologic; D006801:Humans; D007073:Immunoglobulin E / Q000096:biosynthesis*; D007074:Immunoglobulin G / Q000096:biosynthesis*; D010919:Placebos; D010936:Plant Extracts / Q000627:therapeutic use; D011058:Pollen; D006255:Rhinitis, Allergic, Seasonal / Q000188:drug therapy; D013997:Time Factors
chemical_list: D007074:Immunoglobulin G; D010919:Placebos; D010936:Plant Extracts; D007073:Immunoglobulin E