MurrayM.Essentials of electronic fetal monitoring: Antepartal and intrapartal fetal monitoring. Washington: Nurses Association of the American College of Obstetricians and Gynecologists, 1988:81–194.
2.
MillerFC. Prediction of acid-base values from intrapartum fetal heart rate and their correlation with scalp and funic values. In: PetrieRH, ed. Clinics in perinatology. Philadelphia: WB Saunders Company, 1982:353–361.