D. Nicholson

Measurement of uterine blood flow and uterine metabolism. IV. Results in normal pregnancy.

N. Assali, R. Douglass, W. W. Baird, 1953, American journal of obstetrics and gynecology.

Measurement of uterine blood flow and uterine metabolism. II. The techniques of catheterization and cannulation of the uterine veins and sampling of arterial and venous blood in pregnant women.

N. Assali, R. Douglass, W. W. Baird, 1953, American journal of obstetrics and gynecology.

The placental circulation, maternal and fetal.

D. Nicholson, A. A. Earn, 1952, American journal of obstetrics and gynecology.