RAMACHANDRAN, S.; FRANCIS, T.; JASID, A. M. B. “The stony heart”: perioperative management of severe mitral annular calcification and porcelain left atrium in a patient requiring prolonged cardiopulmonary bypass. International Surgery Journal, [S. l.], v. 13, n. 3, p. 427–429, 2026. DOI: 10.18203/2349-2902.isj20260339. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/11863. Acesso em: 30 apr. 2026.