HEMODYNAMIC PARAMETERS AND BRAIN OXYGENATION IN MILITARY PILOTS AS A FUNCTION OF ACCELERATION’S DURATION AT 4G AND AT 6G: A PRELIMINARY STUDY Journal title: The Polish Journal of Aviation Medicine, Bioengineering and Psychology Authors: Krzysztof Kowalczuk, Liana Puchalska, Hanna Palonek, Aleksander Sobotnicki, Michał Janewicz, Mariusz... Subject(s):