Aytül Zerrin Sin

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Recent studies suggest that autoimmune mechanisms may be involved in the etiology of chronic idiopathic urticaria (CIU). There is a higher prevalence of B12 deficiency in autoimmune diseases and possibly in gastric Helicobacter pylori (H. pylori) infection. The frequency of B12 deficiency in CIU is unknown. Our objective in this study was to determine the(More)
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