500
Participants
Start Date
January 1, 2017
Primary Completion Date
January 1, 2020
Study Completion Date
January 1, 2020
Ultrasonic image collection
Ultrasonic image collection,consist of three static images and one dynamic image
Department of Ultrasound, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou
Second Affiliated Hospital, School of Medicine, Zhejiang University
OTHER