Correlation of vitamin D levels with left ventricular ejection fraction in patients with dilated cardiomyopathy. GAIMS Journal of Medical Sciences, [S. l.], v. 1, n. 1 (December), p. 15–17, 2021. Disponível em: https://gjms.gaims.ac.in/index.php/gjms/article/view/29. Acesso em: 31 oct. 2025.