GARCÍA, F.; SOLANO, J.; FUENTES, M.; RUBIO, E. Implementation of a heterodyne demodulator for blood flow sense discrimination in a bi-directional ultrasonic Doppler detector. Revista Mexicana de Ingenieria Biomedica, [S. l.], v. 36, n. 3, p. 249–256, 2015. DOI: 10.17488/RMIB.36.3.2. Disponível em: http://rmib.com.mx/index.php/rmib/article/view/105. Acesso em: 25 apr. 2024.