1. A study of fetal heart rate acceleration patterns;Lee;Obstet. Gynecol,1975
2. Fetal activity acceleration determination for the evaluation of fetal reserve;Lee;Obstet. Gynecol,1976
3. Baseline fetal heart rate characteristics as an indicator of fetal status during the antepartum period;Trierweiler;Am. J. Obstet. Gynecol,1976
4. The significance of fetal heart rate reactivity with a positive oxytocin challenge test;Braly;Obstet. Gynecol,1977
5. Control of human fetal heart rate during labor;Caldeyro-Barcia,1966