[Early detection of fetal cardiac activity and determination of placental position by an ultrasonic method based on the Doppler principle].
| Autor: | Tembotova MM |
|---|---|
| Jazyk: | ruština |
| Zdroj: | Meditsinskaia tekhnika [Med Tekh] 1974 Mar-Apr; Vol. 2, pp. 42-3. |
| Databáze: | MEDLINE |
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