The Effect of Doppler Phenomenon on the Speed of Blood Flow. Al-Khwarizmi Engineering Journal, [S. l.], v. 8, n. 4, p. 26–39, 2012. Disponível em: https://www.alkej.uobaghdad.edu.iq/index.php/alkej/article/view/145. Acesso em: 23 aug. 2025.