AZIZ, K. Doppler Echocardiography. Pakistan Heart Journal, [S. l.], v. 25, n. 3-4, 2012. DOI: 10.47144/phj.v25i3-4.259. Disponível em: https://pakheartjournal.com/index.php/pk/article/view/259. Acesso em: 23 nov. 2024.