1 .李治安.临床超声影像学.北京:人民卫生出版社,2003 .2 .王新房.超声心动图学.第4版.北京:人民卫生出版社,2009 .Flow quantification using fast cine phase-contrast MR imaging,conventional cine phase-contrast MR imaging,and Doppler sonography:in vitro and in vivo validation .Aortic valve calcification ......