中国计划生育学杂志
  临床研究 本期目录 | 过刊浏览 | 高级检索 |
超声下宫颈异质性指数对自发性早产的预测价值
河南省济源市妇幼保健院
The predictive value of cervical heterogeneity by ultrasound for spontaneous premature delivery
Jiyuan Maternal and Child Health Care Hospital, Henan Province, 459000