Isaikina, O., Y. Kuksa, and I. Shibaev. “Estimation of Stability of Arterial Pressure and Pulse at Changes of Geomagnetic Data and Atmospheric Pressure”. Recent Advances in Biological Research Vol. 4, Aug. 2019, pp. 89-99, https://stm1.bookpi.org/index.php/rabr-v4/article/view/342.