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Aphthous ulcers and vitamin B12 deficiency

B L Weusten1, A van de Wiel

  • 1Department of Internal Medicine, Eemland Hospital, Amersfoort, The Netherlands. Weusten.Schoots@inter.NL.net

Summary

Recurrent aphthous ulcers, or canker sores, may be linked to vitamin B12 deficiency. Testing for this deficiency is recommended for patients with frequent mouth sores.

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