George Kossoff

TL;DR: Flow per unit of fetal weight was constant during pregnancy until 36 to 37 weeks, when a reduction occurred, and was maximal between 37 and 38 weeks, then decreased during the last 2 weeks of pregnancy.

TL;DR: Reasonable correlation of the velocity values with breast tissue type, as determined by x ray (mammography), was obtained, indicating that ultrasonic velocity data provide useful information on the main tissue constituents in the breast and that this technique should allow safe, long‐term study of changes that may occur in the composition of such tissues.

TL;DR: Two cases of fetal urethral obstruction, one with megaureter and obvious hydro‐nephrosis, were diagnosed by two‐dimensional ultrasonic echography by using good quality echograms.

TL;DR: With gray scale ultrasonics echography, it is possible to identify changes in placental anatomy which formerly have been recognized only by examination of the placenta after delivery by detecting changes as they occur.

TL;DR: In this paper, an approach for the pulse-echo ultrasonic examination of an object comprised of a transducer means for transmitting pulses of ultrasonic energy and receiving reflected echoes of said pulses immersed in a coupling medium contained within a housing, the pulses being transmitted and echoes received through an aperture in the housing which may be covered with a flexible coupling membrane.