Quantitative intranasal pollen challenge. II. Effect of daily pollen challenge, environmental pollen exposure, and placebo challenge on the nasal membrane.
D000906:Antibodies / Q000032:analysis; D004781:Environmental Exposure; D006801:Humans; D007108:Immune Tolerance; D009297:Nasal Mucosa; D010919:Placebos; D011058:Pollen; D006255:Rhinitis, Allergic, Seasonal / Q000175:diagnosis / Q000209:etiology* / Q000276:immunology; D012621:Seasons; D012882:Skin Tests
D000906:Antibodies; D010919:Placebos