[引用][C] The examination of the embryo and early fetus: how and by whom?

HG Karl Blaas - Ultrasound in Obstetrics and Gynecology: The …, 1999 - Wiley Online Library
Although Ian Donald introduced ultrasound into obstetrics and gynecology in 19581, it was
three decades before we were able to diagnose a significant rate of fetal anomalies …

[引用][C] The examination of the embryo and early fetus: how and by whom?

HGK BLAAS - Ultrasound in obstetrics & gynecology, 1999 - pascal-francis.inist.fr
The examination of the embryo and early fetus : how and by whom? CNRS Inist Pascal-Francis
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[引用][C] The examination of the embryo and early fetus: how and by whom?

HG Blaas - Ultrasound in obstetrics & gynecology: the …, 1999 - pubmed.ncbi.nlm.nih.gov

[引用][C] The examination of the embryo and early fetus: how and by whom?

HG Blaas - Ultrasound in Obstetrics & Gynecology: the Official …, 1999 - europepmc.org
The examination of the embryo and early fetus: how and by whom? - Abstract - Europe PMC
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[引用][C] The examination of the embryo and early fetus: how and by whom?

HGK BLAAS - Ultrasound in obstetrics & gynecology, 1999 - Wiley