Correlation Between Vitamin D Levels and Hemoglobin Levels in Patients with End-Stage Renal Disease on Maintenance Hemodialysis. Medical Forum Monthly, [S. l.], v. 31, n. 3, 2024. Disponível em: https://medicalforummonthly.com/index.php/mfm/article/view/2233.. Acesso em: 31 jan. 2026.