1. Antenatal diagnosis. Part III. Intrapartum fetal distress. Hyattsville, Maryland: National Institutes of Health, 1979; NIH publication no 80-1973.
2. Intrapartum electronic fetal monitoring in low-risk pregnancies;Westgren;Obstet Gynecol,1980
3. Fetal scalp blood analysis;Saling;J Perinat Med,1981
4. Continuous monitoring of fetal scalp tissue pH during labor: clinical results, reliability, and new modifications;Weber,1981
5. Experience with transcutaneous Pot (tcpO2) monitoring of mother, fetus and newborn;Huch;J Perinat Med,1980