Kim ST, Kim HJ, Park IS, Park SW, Kim WH, Kim YM. Chronic, reactive conditions of the oral cavity simulating mucosal carcinomas: CT and MR imaging findings with pathologic correlation in five patients. Clin Imaging. 2005; 29(6):406-11.
Andrès E, Vidal-Alaball J, Federici L, Loukili NH, Zimmer J, Kaltenbach G. Clinical aspects of cobalamin deficiency in elderly patients. Epidemiology, causes, clinical manifestations, and treatment with special focus on oral cobalamin therapy. Eur J Intern Med. 2007; 18(6):456-62.