1. Aas, K.: Nasal eosinophilia in so-called bacterial hypersensitivity in asthmatic children. Acta Pediat. Scand. 50, 1?6 (1961)
2. Asano, Y.: Clinical study on the etiologic factors of so-called nasal allergey (in Japanese). Jap. J. Otol. 70, 1723?1752 (1967)
3. Ashan, G.: Drettner, B.: Nasal obstruction at provocation experiment in patients with hay-fever. Acta Otolaryng. Suppl. 140, 91?100 (1958)
4. Bernstein, L., Safferman, R.: Clinical sensitivity to green algae demonstrated by nasal challenge and in vitro tests of immediate hypersensitivity. J. Allergy 51, 22?28 (1973)
5. Collins-Williams, C, Nizami, R. M., Lamerza, C, Chiu, A. W.: Nasal provocative testing with molds in the diagnosis of perennial allergic rhinitis. Ann. Allergy 30, 557?561 (1972)