SINGH, C.; GARG, P.; SODAWAT, R. A prospective, cross sectional open label clinicoepidemiological study of vitamin B-12 deficiency in adolescent children. International Journal of Contemporary Pediatrics, [S. l.], v. 5, n. 4, p. 1468–1473, 2018. DOI: 10.18203/2349-3291.ijcp20182548. Disponível em: https://www.ijpediatrics.com/index.php/ijcp/article/view/1623. Acesso em: 28 feb. 2026.