常見(jiàn)例句Cyclic variation of intergrated backscatte 背向散射周期性變異Keywords Myocardial infarction;Percutaneous coronary intervention;Echocardiography;Cyclic variation of intergrated backscatte;Viable myocardium; 心肌梗死;經(jīng)皮冠狀動(dòng)脈介入治療;超聲心動(dòng)描記術(shù);背向散射周期性變異;存活心肌; 返回 backscatte