1. Ultrasonic blood rheograph;Satomura,1960
2. Application of a transcutaneous Doppler flowmeter in evaluation of occlusive arterial disease;Strandness;Surg. Gynecol. Obstet.,1966
3. Ultrasonic Doppler observation of the fetal heart;Callaghan;Obstet. Gynecol.,1964
4. Observations of placental blood flow with a Doppler flowmeter;Johnson;Am. J. Obstet. Gynecol.,1968
5. Fetal heart studies with the ultrasonic Doppler technique: A preliminary study;Bernsteine;Am. J. Obstet. Gynecol.,1968