QI Ping’an, LIAN Ruihan, LI Tiangang. Three-dimensional color Doppler ultrasound in the diagnosis of umbilical cord knotting:2 cases report[J]. Journal of Clinical Ultrasound in Medicine, 2021,23(2):148-151.
QI Ping’an, LIAN Ruihan, LI Tiangang. Three-dimensional color Doppler ultrasound in the diagnosis of umbilical cord knotting:2 cases report[J]. Journal of Clinical Ultrasound in Medicine, 2021,23(2):148-151. DOI: 10.16245/j.cnki.issn1008-6978.2021.02.025.