Comparative study of conventional and contrastenhanced ultrasound in diagnosis of carotid atherosclerotic plaques
Zhang Xueqiana，Tian Huib，Jia Lijinga，Wei Jingmeib
Clinical Focus . 2016, (11): 1233 -1236 .  DOI: 10.3969/j.issn.1004-583X.2016.11.018