title: The heterogeneity of allergen-antibody systems related to ragweed allergy in man.
mesh_terms: D000485:Allergens; D001797:Blood Protein Electrophoresis; D004586:Electrophoresis; D006801:Humans; D007106:Immune Sera / Q000032:analysis; D007120:Immunochemistry; D005779:Immunodiffusion; D007122:Immunoelectrophoresis; D010936:Plant Extracts; D011058:Pollen; D006255:Rhinitis, Allergic, Seasonal / Q000276:immunology*; D012882:Skin Tests; D005719:gamma-Globulins / Q000302:isolation & purification
chemical_list: D000485:Allergens; D007106:Immune Sera; D010936:Plant Extracts; D005719:gamma-Globulins