Pengarang: Berrylin J. Ferguson

T. Metin Önerci is full Professor of Otorhinolaryngology at the Hacettepe University, Faculty of Medicine, Ankara, Turkey. He serves as General Secretary of the International Rhinologic Society and is the immediate Past President of the Otorhinolaryngology-Head and Neck Society in Turkey. He recently also served as President of the International Society of Otorhinolaryngologic Allergy and Immunology, as President of the European Rhinology Society and as President of the ISIAN (International Symposium on Infection and Allergy of the Nose).