BYSTRÖM , PER; BJÖRKEGREN , KARIN; LARSSON , ANDERS; JOHANSSON , LINDA; BERGLUND , ÅKE. Serum vitamin B12 and folate status among patients with chemotherapy treatment for advanced colorectal cancer. Upsala Journal of Medical Sciences, [S. l.], v. 114, n. 3, p. 160–164, 2009. DOI: 10.1080/03009730903027172. Disponível em: https://ujms.net/index.php/ujms/article/view/6328. Acesso em: 14 nov. 2026.