Innovations in fetal heart rate monitoring
Citation
Porges, S. (1979). Innovations in fetal heart rate monitoring: The application of spectral analysis for the detection of fetal distress. In T. M. Field, A. M. Sostek, & S. Goldberg (Eds.), Infants Born at Risk: Behavior and Development (pp. 17-28). Jamaica, NY: Spectrum Publications, Inc..