JEFFY MARTA. A COMPREHENSIVE SYSTEMATIC REVIEW OF THE ASSOCIATION BETWEEN IRON DEFICIENCY ANAEMIA AND OCCULT GASTROINTESTINAL BLEEDING. The International Journal of Medical Science and Health Research, [S. l.], v. 48, n. 5, p. 385–470, 2026. DOI: 10.70070/kzj7vq32. Disponível em: https://internationalmedicaljournal.org/index.php/ijmhsr/article/view/683.. Acesso em: 21 oct. 2026.