1. Fetal monitoring in a community hospital;Amato;Obstetrics and Gynecology,1977
2. Fetal Blood Sampling;American College of Obstetricians and Gynecologists,1976
3. Assessing the costs and benefits of electronic fetal monitoring;Banta;Obstetrical and Gynecological Survey,1979
4. Researches of Prenatal Life,1947
5. The significance of the changes in the continuous fetal heart rate in the first stage of labour;Beard;Journal of Obstetrics and Gynaecology of the British Commonwealth,1971