Emergency Cervical Cerclage in Twin Pregnancies：A Case Report and Literature Review

CHEN Jia, LI Ying-tao, ZHONG Cai-juan, LIANG Li-xuan, HUANG Ying-min, WANG Yan, ZENG Li-zhu

Journal of International Obstetrics and Gynecology . 2020, (4): 408 -412 .