Guidelines from the Japanese Society of Echocardiography: Guidance for the management and maintenance of echocardiography equipment
Satoshi Nakatani, Makoto Akaishi, Toshihiko Asanuma, Shuji Hashimoto, Chikako Izumi, Shiro Iwanaga, Hiroya Kawai, Masao Daimon, Hiroyuki Toide, Akihiro Hayashida, Hirotsugu Yamada
Abstract