Nowicki, Andrzej, Jurij Tasinkiewicz, Piotr Karwat, Norbert Żołek, Ihor Trots, and Ryszard Tymkiewicz. “Ultrasonic Estimation of Pressure Dependent Non-Linearity Index in Liver”. Archives of Acoustics 51, no. 1 (March 31, 2026): 93–105. Accessed April 14, 2026. https://acoustics.ippt.pan.pl/index.php/aa/article/view/4363.