A 45yr old presents with paresthesia Hb 6.8 g1dL Peripheral smear shows macrocytes and neutrophils with hypersegmented nuclei Endoscopy reveals atopic gastritis Which of the following defficiency is more likely ?: (A) VitB 12defficiency, (B) Niacin deficiency, (C) Riboflavin deficiency, (D) Riboflavin deficiency
Answer is A. REF : LIPINCOTT