Markovics Z, Lauznis J, Erins M, Minejeva O, Kivlenieks R. Testing and Analysis of the HRV Signals from Wearable Smart HRV Sensors. IJET [Internet]. 2018 Dec. 9 [cited 2024 Nov. 22];7(4.36):1211-5. Available from: https://sciencepubco.com/index.php/ijet/article/view/28214