Retraction Note: Assessment of fetal intraventricular diastolic fluid dynamics using ultrasound vector flow mapping

Qinglan Shu^1,2, Yi Wang^1,2, Xinyi Lin³+4

• ¹Ultrasound in Cardiac Electrophysiology and Biomechanics Key Laboratory of Sichuan Province, Sichuan Provincial People's Hospital, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China.+4