AMAN, W.; HAFIZULLAH, M. INSTANTANEOUS WAVE-FREE RATIO (IFR)-AN EMERGING TECHNIQUE. Pakistan Heart Journal, [S. l.], v. 50, n. 3, 2017. DOI: 10.47144/phj.v50i3.1306. Disponível em: https://pakheartjournal1.pcs.org.pk/index.php/pk/article/view/1306. Acesso em: 24 nov. 2024.