Assessment of the Cervix Using Strain Elastography in Pregnant Women with Spontaneous Preterm Birth
Jinghua Li, MD, Yuanyuan An, MD, Lina Zhang, MD, Yinghua Xuan, MD, Qingqing Wu, MD
Advanced Ultrasound in Diagnosis and Therapy . 2018, (2): 106 -112 .  DOI: 10.37015/AUDT.2018.180807