title: Five-grade scoring system is still confusing: does ASE/SCA set up a double standard?
authors.forename: T
authors.initials: T
authors.lastname: Shiga
authors.forename: R
authors.initials: R
authors.lastname: Ogawa
mesh_terms: D017548:Echocardiography, Transesophageal / Q000592:standards*; D006801:Humans; D007432:Intraoperative Period; D017410:Practice Guidelines as Topic; D016277:Ventricular Function, Left