Objective To evaluate the clinical role of color Doppler ultrasonography in the prenatal diagnosis of single umbilical artery (SUA).
Results SUA in quartile positively correlated with increasing IMT and severity of plaque in the elderly.
FAA使用多種系統來管理SUA和航管指定空域（ATCAA）以及*用空域和其他訓練演習所用空域之外的空域。
Results SUA in quartile correlated with increasing IMT and severity of plaque in the elderly.
SUA Single User Account
