Medicine A man who had undergone total gastrectomy remains well for five years. Then he develops anaemia. What is the most likely cause of this anaemia ? A Protein deficiency B Zinc deficiency C Folic acid deficiency D Vitamin B12 deficiency 💡 Explanation A man who had undergone total gastrectomy remains well for five years. Then he develops anaemia. What is the most likely cause of this anaemia ? ✓ Correct Answer: D. Vitamin B12 deficiency