MUSTAFA, M. M.; AL ATRAM, A. A.; MOUSLEH, M. M. Signs and Symptoms of Vitamin B12 Deficiency and its Impacts on Student’s Academic Performance. International Journal of Sciences: Basic and Applied Research (IJSBAR), [S. l.], v. 18, n. 1, p. 143–150, 2014. Disponível em: https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/2361. Acesso em: 23 jul. 2024.