Document Type : Case Report
Authors
1 Departments of pathology, Mashhad University of Medical Sciences, Mashhad, Iran
2 Ear, Nose, Throat, Head and Neck surgery Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
3 Depatment of endodontics, Faculty of Dentistry and Dental Research Center, Mashhad, University of Medical Sciences, Mashhad, Iran
Abstract
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