1. The functional anatomy of the placental vasculature;King,1989
2. Effects of adrenergic agents on bovine umbilical and uterine blood flows;Chez,1978
3. Effect of ritodrine infusion on uterine and umbilical blood flow in pregnant sheep;Ehrenkranz;Am J Obstet Gynecol,1976
4. Placental transfer as a function of uterine blood flow;Wilkening;Am J Physiol,1982
5. The role of uterine blood flow in fetal oxygen and nutrient delivery;Wilkening,1989