参考
1. Kim G, Park J, Kwon O, Kim D, Kim C. Clinical Characteristics of Epidermoid Cysts of the External Auditory Canal. J Audiol Otol. 2016;20(1):36. doi:10.7874/jao.2016.20.1.36
2. Alimoglu Y, Mercan H, Karaman E, Oz B. Epidermal Inclusion Cyst of External Auditory Canal. J Craniofac Surg. 2010;21(4):1290-1. doi:10.1097/SCS.0b013e3181e57212