1. The evaluation of continuous fetal heart rate monitoring in high risk pregnancy;Haverkamp;Am J Obstet Gynecol,1976
2. Controlled trial of fetal intensive care;Renou;Am J Obstet Gynecol,1976
3. An assessment of continuous fetal heart rate monitoring in labor: a randomized trial;Kelso;Am J Obstet Gynecol,1978
4. Costs and benefits of electronic fetal monitoring: a review of the literature;Banta,1979
5. Term intrapartum fetal death;Lilien;Am J Obstet Gynecol,1970