Serum vitamin D deficiency and its association with inflammatory markers in patients with chronic kidney disease: A hospital-based cross-sectional study. Student’s Journal of Health Research Africa, Africa, v. 6, n. 9, p. 8, 2025. DOI: 10.51168/sjhrafrica.v6i9.2151. Disponível em: https://sjhrafrica.org/index.php/public-html/article/view/2151. Acesso em: 25 jul. 2026.