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Reference ranges for time-related analysis of ductus venosus flow velocity waveforms in singleton pregnancies |
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| Authors: | Kayoko Nakagawa Daisuke Tachibana Hiroyuki Nobeyama Mitsuru Fukui Toshiyuki Sumi Masayasu Koyama Osamu Ishiko Kurt Hecher |
| Institution: | 1. Department of Obstetrics and Gynecology, Osaka City University Graduate School of Medicine, Osaka, Japan;2. Laboratory of Statistics, Osaka City University Graduate School of Medicine, Osaka, Japan;3. Department of Obstetrics and Fetal Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany |
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