Snizhko, Y.M., Boiko, O.O., Botsva, N.P., Chernetchenko, D.V. and Milyh, M.M. 2018. Methods for increasing the accuracy of recording the parameters of the cardiovascular system in double-beam photoplethysmography. Regulatory Mechanisms in Biosystems. 9, 3 (Jul. 2018), 335-339. DOI:https://doi.org/10.15421/021849.