Masaki Katsunori, Asakura Takanori, Sakurai Kaori, Ohkusu Kiyofumi
Division of Pulmonary Medicine, Department of Medicine, Keio University School of Medicine, Tokyo, Japan.
Department of Internal Medicine, Saiseikai Utsunomiya Hospital, Utsunomiya, Tochigi, Japan.
BMJ Case Rep. 2019 Apr 8;12(4):e228914. doi: 10.1136/bcr-2018-228914.