SHAMIM, W.; IQBAL, M.; CHAUDHRY, A. H. EFFECTS OF QRS DURATION ON MYOCARDIAL PERFORMANCE AS ASSESSED BY Z-RATIO AND TEI-INDEX IN CHRONIC HEART FAILURE PATIENTS. Pakistan Heart Journal, [S. l.], v. 46, n. 1, 2013. DOI: 10.47144/phj.v46i1.607. Disponível em: https://pakheartjournal1.pcs.org.pk/index.php/pk/article/view/607. Acesso em: 24 nov. 2024.