Singh, N., Moneghetti, K. J., Christle, J. W., Hadley, D., Plews, D., & Froelicher, V. (2018). Heart Rate Variability: An Old Metric with New Meaning in the Era of using mHealth Technologies for Health and Exercise Training Guidance. Part One: Physiology and Methods. Arrhythm Electrophysiol Rev.

Singh, Nikhil, Kegan James Moneghetti, Jeffrey Wilcox Christle, David Hadley, Daniel Plews, e Victor Froelicher. "Heart Rate Variability: An Old Metric With New Meaning in the Era of Using MHealth Technologies for Health and Exercise Training Guidance. Part One: Physiology and Methods." Arrhythm Electrophysiol Rev 2018.

Singh, Nikhil, et al. "Heart Rate Variability: An Old Metric With New Meaning in the Era of Using MHealth Technologies for Health and Exercise Training Guidance. Part One: Physiology and Methods." Arrhythm Electrophysiol Rev 2018.