Social & Preventive Medicine Demy el inating neurological lesions in the spinal cord are associated with deficiency of vitamin: March 2013 (g) A B1 B B3 C B6 D B12 💡 Explanation Demy el inating neurological lesions in the spinal cord are associated with deficiency of vitamin: March 2013 (g) ✓ Correct Answer: D. B12