Estimate the Relationship on Haemoglobin, Serum Iron & Vitamin B12: A Prospective Observational Study. International Archives of BioMedical and Clinical Research, [S. l.], v. 5, n. 3, p. 53–56, 2024. DOI: 10.21276/t62bm917. Disponível em: http://iabcr.org/index.php/iabcr/article/view/266.. Acesso em: 18 may. 2026.