Provocative challenge in the etiologic diagnosis of bronchial asthma.
D000293:Adolescent; D000328:Adult; D000336:Aerosols; D000368:Aged; D000485:Allergens; D001249:Asthma / Q000175:diagnosis / Q000209:etiology*; D006801:Humans; D008875:Middle Aged; D006255:Rhinitis, Allergic, Seasonal; D012882:Skin Tests
D000336:Aerosols; D000485:Allergens