1. An atlas of fetal heart rate patterns;Hon,1968
2. A study of fetal heart rate acceleration patterns;Lee;Obstet. Gynecol,1974
3. Antepartum fetal heart rate and uterine activity studies. 1. Preliminary report of accelerations and the oxytocin challenge test;Fox;Am. J. Obstet. Gynecol,1976
4. Fetal activity acceleration determination for the evaluation of fetal reserve;Lee;Obstet. Gynecol,1976
5. Fetal heart rate acceleration in relation to the oxytocin challenge test;Farahani;Obstet. Gynecol,1977