Theophylline induces changes in the electro-olfactogram of the mouse - Gudziol, V; Pietsch, J; Witt, M; Hummel, T. (European archives of oto-rhino-laryngology: official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS): affiliated with the German Society for Oto-Rhino-Laryngology – Head and Neck Surgery, 2010)