References
- Benson RC, Shubeck F, Deutchberger J, et al: Fetal heart rate as a predictor of fetal distress: A report from the collaborative project. Obstet Gynecol 32: 259, 1968
- Hon EH: The electronic evaluation of the fetal heart rate: Preliminary report. Am J Obstet Gynecol 75: 1215, 1958
- Hon EH: Observations on “pathologic” fetal bradycardia. Am J Obstet Gynecol 77: 1084, 1959
- Hon EH, Quilligan EJ: The classification of fetal heart rate. II. A revised working classification. Conn Med 31: 779, 1967
- Kubli FW, Hon EH, Khazin AF, et al: Observations on heart rate and pH in the human fetus during labor. Am J Obstet Gynecol 104: 1190, 1969
- Hon EH, Lee ST: Instrumentation of fetal heart rate and fetal electrocardiography. II. A vaginal electrode. Am J Obstet Gynecol 86: 772, 1963
- Hammacher K: The diagnosis of fetal distress with an electronic fetal heart monitor. In Horsky RJ, Stembera ZK: Intrauterine Dangers to the Foetus. New York, Excerpta Medica Foundation, 1967
- deHaan J, van Bemmel JH, Stolte LA, et al: Quantitative evaluation of fetal heart rate patterns. II. The significance of the fixed heart rate during pregnancy and labor. Eur J Obstet Gynecol 1/3: 105, 1971
- Paul RH, Sudan AK, Yeh S, et al: Clinical fetal monitoring. VII. The evaluation and significance of intrapartum baseline FHR variability. Am J Obstet Gynecol 123: 206, 1975
- Martin CB Jr, Siassi B, Hon EH: Fetal heart rate patterns and neonatal death in low birthweight infants. Obstet Gynecol 44: 503, 1974
- Modanlou H, Yeh S, Hon EH, et al: Fetal and neonatal biochemistry and Apgar scores. Am J Obstet Gynecol 117: 942, 1973