European Archives of Oto-Rhino-Laryngology: Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS); November 1888, Vol. 27 Issue: 2-3 p139-155, 17p
European Archives of Oto-Rhino-Laryngology: Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS); December 1889, Vol. 29 Issue: 1-2 p104-119, 16p