Invited commentary.
Calafiore
Antonio
A
Division of Cardiac Surgery, European Hospital, Roma San Camillo de'Lellis Hospital, Via C Forlanini 50, Chieti, 66100, Italy. calafiore@unich.it
D001026:Coronary Artery Bypass; D003331:Coronary Vessels / Q000000981:diagnostic imaging*; D004867:Equipment Design; D006801:Humans; D008904:Miniaturization; D014159:Transducers; D018084:Ultrasonography, Interventional / Q000295:instrumentation*