Vitamin B12 deficiency and sublingual and intramuscular treatment: case report . Research, Society and Development, [S. l.], v. 11, n. 17, p. e62111738863, 2022. DOI: 10.33448/rsd-v11i17.38863. Disponível em: https://rsdjournal.org/rsd/article/view/38863. Acesso em: 5 dec. 2025.