Szypłowska, Małgorzata, Adrian Kuś, Konrad Gładysz, Małgorzata Neścior, and Kamil Szpiech. 2019. “Beneficial Health Effects of Treatment With Flotation-REST on Stress and Blood Pressure”. Journal of Education, Health and Sport 9 (7):372-77. https://apcz.umk.pl/JEHS/article/view/7162.