Ultrasonic Doppler inspection of the fetal heart
Authors:
- Richard L. BernstineRBRichard L. Bernstine
- D.A. CallaganDCD.A. Callagan
- 1 August 1966
- journal article
- Published by Elsevier in American Journal of Obstetrics and Gynecology
- Vol. 95 (7) , 1001-1004