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|March 5, 2013
Revista Portuguesa De Cirurgia Cardio-Toracica E Vascular : Orgao Oficial Da Sociedade Portuguesa De Cirurgia Cardio-Toracica E Vascular|April 19, 2013
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|March 5, 2013
Revista Portuguesa De Cirurgia Cardio-Toracica E Vascular : Orgao Oficial Da Sociedade Portuguesa De Cirurgia Cardio-Toracica E Vascular|April 19, 2013