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Muggeridge, David Joseph, Kirsty Hickson, Aimie Victoria Davies, Oonagh M. Giggins, Ian L. Megson, Trish Gorely, and Daniel R. Crabtree. "Measurement of Heart Rate Using the Polar OH1 and Fitbit Charge 3 Wearable Devices in Healthy Adults During Light, Moderate, Vigorous, and Sprint-Based Exercise: Validation Study." JMIR Mhealth Uhealth 2021.

Muggeridge, David Joseph, et al. "Measurement of Heart Rate Using the Polar OH1 and Fitbit Charge 3 Wearable Devices in Healthy Adults During Light, Moderate, Vigorous, and Sprint-Based Exercise: Validation Study." JMIR Mhealth Uhealth 2021.