A novel physical fatigue assessment method utilizing heart rate variability and pulse arrival time towards personalized feedback with wearable sensorsAllik, Ardo; Pilt, Kristjan; Viigimäe, Moonika; Fridolin, Ivo; Jervan, GertSensors2022 / art. 1680 https://doi.org/10.3390/s22041680 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS