Nonstandard Echocardiographic Examination. Cardiovascular Journal, [S. l.], v. 6, n. 2, p. 92–102, 2014. DOI: 10.3329/cardio.v6i2.18347. Disponível em: https://banglajol.info/index.php/CARDIO/article/view/18347. Acesso em: 26 jun. 2026.