宫颈长度联合宫颈分泌物胎盘α-1微球蛋白预测先兆早产孕妇早产的价值研究
叶芸,沈倩,杨雁芬,沈双双
Value of Cervical Length Combined with Placental alpha Microglobulin-1 in Cervical Secretions in Predicting Preterm Labor in Pregnant Women with Threatened Preterm Birth 
YE Yun,SHEN Qian,YAN Yanfen,SHEN Shuangshuang
中国全科医学 . 2021, (6): 706 -711 .  DOI: 10.12114/j.issn.1007-9572.2021.00.065