RT Journal Article SR Electronic T1 “Anchor”-shaped bright posterior column in a patient with vitamin B12 deficiency myelopathy JF Postgraduate Medical Journal JO Postgrad Med J FD The Fellowship of Postgraduate Medicine SP 186 OP 186 DO 10.1136/pgmj.2008.076018 VO 85 IS 1002 A1 Paliwal, V K A1 Malhotra, H S A1 Chaurasia, R N A1 Agarwal, A YR 2009 UL http://pmj.bmj.com/content/85/1002/186.abstract AB