1. Worldwide prevalence of anaemia 1993-2005 WHO Global Database on Anaemia,2008
2. AAOMP case challenge: multiple red plaques with severe burning and soreness on the tongue;Chehal;J Contemp Dent Pract,2009
3. Oral manifestations of vitamin B12 deficiency: a case report;Pontes;J Can Dent Assoc,2009
4. Vitamin B12 deficiency as a worldwide problem;Stabler;Annu Rev Nutr,2004
5. Vitamin B12 deficiency;Oh;Am Fam Physician,2003