NOWICKI, Andrzej. Ultrasonic pulse doppler method in blood flow measurement. Archives of Acoustics, [S. l.], v. 2, n. 4, p. 305–323, 2016. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/3493. Acesso em: 25 apr. 2025.