Evaluation of nocturnal heart rate variability for strenuous exercise day using wearable photoelectric pulse wave sensor
Journal of Exercise Rehabilitation. 2018;14(4):633-637 
Preliminary Evaluation of a Wearable Sensor System for Assessment of Heart Rate, Heart Rate Variability, and Activity Level in Working Dogs
2019 IEEE SENSORS. 2019;
Age, sex and underlying heart rate as determinants of nocturnal heart rate variability among wearable smart ring users
European Heart Journal. 2020;41(Supplement_2):
Deep Recurrent Neural Network for Extracting Pulse Rate Variability from Photoplethysmography During Strenuous Physical Exercise
2019 IEEE Biomedical Circuits and Systems Conference (BioCAS). 2019;
Estimation of heart rate variability from peripheral pulse wave using PPG sensor
IFMBE Proceedings. 2007;325-328
601 Are exercise-induced myocardial ischaemia and day-to-day heart rate variability interrelated?
Europace. 2005;7:135-136
Heart Rate Variability Recording System Using Photoplethysmography Sensor
Autonomic Nervous System Monitoring - Heart Rate Variability. 2020;
Heart Rate Tracking Using a Wearable Photoplethysmographic Sensor During Treadmill Exercise
IEEE Access. 2019;7:152421-152428
Fatigue Warning System During Physical Exercise Based on Heart Rate and Oxygen Saturation Using Non-invasive Wearable Sensor
2022 International Symposium on Information Technology and Digital Innovation (ISITDI). 2022;
OP-146 [AJC » Hypertension and antihypertensive therapy] Evaluation of Association Between Nocturnal Blood Pressure and Non-invasive Central Aortic Pressure, Pulse Wave Velocity, Heart Rate Variability Index in Hypertensive Patients with Left Ventricular Hypertrophy
The American Journal of Cardiology. 2017;119(8):e40