Quality improvement in cardiovascular surgery: results of a surgical quality improvement programme using a nationwide clinical database and database-driven site visits in Japan
Hiroyuki Yamamoto, Hiroaki Miyata, Kazuo Tanemoto, Yoshikatsu Saiki, Hitoshi Yokoyama, Eriko Fukuchi, Noboru Motomura, Yuichi Ueda, Shinichi Takamoto
BMJ Quality & Safety Jul 2020, 29 (7) 560-568; DOI: 10.1136/bmjqs-2019-009955