Prevalence of  beta thalassemia, heart failure and valvular abnormalities in children at tertiary care hospital. The health sciences AUS, [S. l.], v. 1, n. 1, 2024. DOI: 10.70765/fn88q521. Disponível em: https://healthsciencesaus.com/journal/index.php/HSA/article/view/10. Acesso em: 16 may. 2026.