Ken NakamuraI; Tetsuro UchidaII; Azumi HamasakiII; Mitsuaki SadahiroII
DOI: 10.21470/1678-9741-2019-0298
IDepartment of Cardiovascular Surgery, Nihonkai
General Hospital, Yamagata, Sakata, Japan.
IIDepartment of Surgery II, Yamagata University
Faculty of Medicine, Yamagata, Japan.