An evaluation of cervical maturity for Chinese women with labor induction by machine learning and ultrasound images. - Liu, Yan-Song; Lu, Shan; Wang, Hong-Bo; Hou, Zheng; Zhang, Chun-Yu; Chong, Yi-Wen; Wang, Shuai; Tang, Wen-Zhong; Qu, Xiao-Lei; Zhang, Yan (BMC Pregnancy & Childbirth, 2023)