Hirabayashi Motoki, Omura Kazuhiro, Otori Nobuyoshi, Tanaka Yasuhiro
Department of Otorhinolaryngology, Asahi General Hospital, Chiba, Japan.
Department of Otorhinolaryngology, The Jikei University School of Medicine, Tokyo, Japan.
BMJ Case Rep. 2018 Jun 11;2018:bcr-2017-222296. doi: 10.1136/bcr-2017-222296.