Document Type : Original
Authors
1 Assistant professor of otolaryngology, ENT, Head & Neck Department and Research Center, Hazrat Rasoul Akram Hospital, Tehran University of medical sciences
2 Professor of otolaryngology, ENT, Head & Neck Department and Research Center, Hazrat Rasoul Akram Hospital, Tehran University of medical sciences
3 Assistant professor in community medicine, Department of community medicine, Faculty of medicine, Tehran University of Medical Sciences
4 Fellow of Allergy and Clinical Immunology, Hazrat Rasoul Akram Hospital, Tehran University of medical sciences
5 Student of medical sciences, faculty of medicine, Tehran University of medical sciences
Abstract
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