MD YOUSUF KHAN; P. MUSA KHAN; J.THIRUPATHI RAO; P.SAKUNTALA. Electrocardiographic findings, USG neck and Echocardiography in hypothyroidism. International Journal of Health and Clinical Research, [S. l.], v. 4, n. 13, p. 186–189, 2021. Disponível em: https://www.ijhcr.com/index.php/ijhcr/article/view/2110. Acesso em: 6 apr. 2026.