TUYYAB, Farhan et al. EFFICACY OF IVABRADINE, METOPROLOL ALONE VS IVABRADINE PLUS METOPROLOL (COMBINATION) FOR HEART RATE REDUCTION AND HEART RATE VARIABILITY DURING COMPUTED TOMOGRAPHY CORONARY ANGIOGRAPHY: A RANDOMIZED CONTROLLED TRIAL. Pakistan Armed Forces Medical Journal, [S. l.], v. 68, n. Suppl-1, p. S1–4, 2018. Disponível em: https://pafmj.org/PAFMJ/article/view/3256.. Acesso em: 15 jan. 2025.