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Comparison of three methods of cervical measurement in the first trimester: single-line,two-line,and tracing |
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| Authors: | J. D. Retzke J. D. Sonek J. Lehmann B. Yazdi K. O. Kagan |
| Affiliation: | 1. Fetal Medicine Foundation USA, Dayton, OH, USA Division of Maternal-Fetal Medicine, Wright State University, Dayton, OH, USA;2. Department of Obstetrics and Gynaecology, University of Tuebingen, Germany |
| Abstract: | |
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