title: Nasal challenge.
abstract: Seven years' experience of nasal challenge is presented. On the basis of a material of 1492 controlled provocation tests performed on 715 patients, practical problems concerning the performance period of the provocation, application methods, allergen preparations, interpretation of the results as well as the relevance and correlation of different investigation methods of allergic rhinitis are discussed.
mesh_terms: D000485:Allergens; D006801:Humans; D008722:Methods; D009297:Nasal Mucosa; D006255:Rhinitis, Allergic, Seasonal / Q000175:diagnosis*; D012882:Skin Tests
chemical_list: D000485:Allergens