KUMAR, G. S.; ., S.; RAJENDRAN, V. A study on incidence of vitamin B12 deficiency in patients with pancytopenia. International Journal of Advances in Medicine, [S. l.], v. 6, n. 5, p. 1402–1407, 2019. DOI: 10.18203/2349-3933.ijam20194140. Disponível em: https://www.ijmedicine.com/index.php/ijam/article/view/1959. Acesso em: 18 apr. 2026.