Therapeutic Effect of Cervical Cerclage on Cervical Insufficiency during Pregnancy Analyzed by Magnetic Resonance Image under Neural Network Algorithm. - Yongjuan Liu; Yongpan Tan; Rongxia Liu; Xuekui Ye; Lina Wang; Wei Cui 002; Dan Lu; Jing Guo; Dongmei Chu (Sci. Program., 2021)