Nakatsuji Yoshiyuki, Yoshizawa Mitsutaka, Ohyama Shigekazu
Department of Gastroenterology, Marunouchi Hospital, Matsumoto, Nagano, Japan
Department of Clinical Engineering, Marunouchi Hospital, Matsumoto, Nagano, Japan.
BMJ Case Rep. 2021 May 10;14(5):e242681. doi: 10.1136/bcr-2021-242681.