Diagnosis & Management of Vitamin B12 Deficiency in Primary Care – Are we following the guidelines?. Res Medica, [S. l.], v. 23, n. 1, p. 73–81, 2015. DOI: 10.2218/resmedica.v23i1.765. Disponível em: https://journals.ed.ac.uk/resmedica/article/view/765. Acesso em: 12 may. 2025.